Kingdom Hearts Unchained x Union x is the smartphone adaptation of a browser game released only in Japan. Though KHUX is a remake of that browser game, it contains more content and will continue beyond where the browser game ended. This guide will focus on the Global version of KHUX, not the Japanese version which is remarkably different not that different anymore.
Welcome to KHUX! Let’s get started.
Edit 4/26/17: Updated a lot of the guide for the new expansion: Union x[cross].
Edit 5/14/18: So much has changed… O_O
Edit 10/30/18: Updated again for PVP, x3, and Supernova.

(First and foremost, you access your Spirit card (shown above) by clicking the little icon in the upper left, beside your Player icon.)
Spirits are little pets that follow you around that you can name and dress up and stuff. They have a lot of cool accessories and styles and outfits and stuff. Mine is obviously a bunny, but there are cats, dogs, pigs, reindeer, foxes, etc, and more to come. Be on the look out for new Spirit parts to dress up your pet (usually on Union Cross!). You can always change their appearance and name and stuff with no repercussion, just like your avatar. But there’s a lot more Spirits can do other than looking cute.
Gear
Spirits add a sixth slot to every single keyblade, which is absolutely crazy. The new slot has its own multiplier based on the Rank of your Spirit and it is not restricted by power/speed/magic type or reverse/upright affiliation, or even cost! Every time you rank up your Spirit, the multiplier of this slot increases.
So the question: how do you increase the rank? As shown above, the Spirit has six medal slots on its card. When you click Gear, you can put any medals in those slots. Each medal has a point value, usually based on how rare it is, that adds “experience” to the pet. When a medal has a trait, it gets a 20% point bonus (80 turns to 96, for example) and turns yellow. When a medal is slotted in your Spirit those medals are still usable in keyblades, so you should always put your highest point values in those slots. The Optimize button does this for you. The higher the rank, the higher the multiplier.
(Right now, Rank 9 is the highest. For that, you need 6 trained 80pt medals, which is a lot easier to get than it sounds. I’m sure more Ranks will be added soon, or may have been already by the time you read this.)
Tricks
More importantly, as a Spirit levels up, it learns Tricks - helpful bonuses in combat. Here’s a list of what they are and what they do. Each one can only be used once per battle, unless specified.
Rank 2: Steal - when an item drops, you get two. 50% rate.
Rank 3: Blast - 10,000 damage hit (or half a health bar). Triggers when it will kill an enemy. (A lifesaver, honestly!)
Rank 4: Esuna - cleanses poison, paralysis, or sleep.
Rank 5: HP Recovery - a 100% Second Chance proc that stacks with SC skills! The literal best thing about pets.
Rank 6: Steal II - three items.
Rank 7: Status Boosts - Poison does more damage, paralysis immobilizes, and sleep lasts three hits. Triggers when you put a status ailment on an enemy. Sleep Boost can be used twice in one battle.
Rank 8: Blast II - 30,000 damage.
Rank 9: PSM Boost - If you get Power, Speed, or Magic Strength to 7, it bumps it up to 8. Usable once per turn, lasts ones turn.
Anyway, the long story short: pets are awesome. Literally no downside to using them. They don’t “use up” any resource. Just mess around with them.
Have fun!
<3 KCM

EDIT 10/30/18:
For PVP, EA is everything.
STR +1000 after that, then Ground.
EDIT 5/14/18:
~Ground and Air are necessary and are the best traits in the game.
~EA for all buff medals.
~STR to fill in the blanks.
~Gauges on Reverse medals.
~HP > DEF
The Union x update to KHUX brought with it a new system called Traits. Basically this is another level of randomness, because guilt rolls and 3000 jewel pulls wasn’t enough. >_< Any time you add a medal to another medal with the same ID, it will roll a trait (as well as put a guilt dot into it, as described here).
A down arrow (the up arrow in the picture above) has been added to the bottom of the medal screen. This shows the medal’s traits. Guilt Tier 1, 2, and 3 get one trait, while Guilt Tier 4 and 5 get two traits. If you roll another trait and you don’t have room for it on the medal, you can replace one of the current traits with the new one or choose to keep the ones currently on the medal.
So how many traits are there and which ones do you want?
Five traits affect the keyblade as a whole:
- Max Gauges +2: Increases maximum gauges by two
- HP +800: Increases maximum HP by 800
- Poison Resist 20%: 20% less likely to be poisoned by an enemy
- Sleep Resist 20%: 20% less likely to be put to sleep by an enemy
- Paralysis Resist 20%: 20% less likely to be paralyzed by an enemy
Six traits affect only the medal in question:
- Strength +1000: Increases Strength by 1000
- Defense +2000: Increases Defense by 2000
- Ground Enemy DEF -60%: Decreases defense of ground enemies by 60%
- Aerial Enemy DEF -60%: Decreases defense of flying enemies by 60%
- Damage in Raids +40%: Deals 40% more damage against raid bosses
- Extra Attack: 40% Power: Allows the medal to be used twice, though the second one is at only 40% power
The absolute best ones you can get are Extra Attack and Str+1000. (Edit: Enemy DEF traits too!)
For buff medals (let’s say Illustrated Kairi), having Extra Attack means doubling the effectiveness: +3 Str turns into +6 Str. The downside is that it doubles the Special cost as well: 3 gauges turns into 6 gauges. But with gauge restore medals and Cost skills, gauges are a lot easier to manage.
With damage medals, Extra Attack is a little less useful. Damage is depreciated to 40% of its original damage, where buffs are not. Here’s some math. Eraqus at lv. 100 is 7245 Str x 4.58 multiplier x 2 (100% guilt) = 66,364. x1.4 for Extra Attack is 92,910. Str+1000 is 8245 x 4.58 x 2 = 75,524. So your choice here would be 100% damage for 10 gauges, or 81.3% damage for 5 gauges. Either 10% damage per gauge or 16.3% damage per gauge effectiveness. Also the higher Strength does more damage against high level defense enemies.
But what about SP1? Now you’re doing 92,910 for 2 Special! Or you could use AB4 and Str+1000 and get 135,942 for 5. Then there’s AB+SP0 and stuff…
The point here is that the more SP a medal cost, the less efficient Extra Attack is. Of course, if you’re not doing any damage (Illustrated Belle & Beast is 5 cost, but its a buff medal), then SP1 and Extra Attack is the way to go!
Now that enemy levels are through the roof, sometimes the only way you can do really good damage is with the Enemy DEF traits. That’s because Defense Down is capped, so the only way to exceed that cap is with those traits. Honestly, they are probably the best traits in the game right now.
I wish I could calculate the +800 Health vs. the +2000 Def, but I honestly think it’s too situational. Defense is great up until a point, but it’s also worthless beyond that point. Health is just a flat increase, which sounds better, unless you happen to be fighting one of those enemies with an attack that falls in the range of where +2000 Def would help you… if you had to choose between them, I’d probably take the +800 Health.
So some general rules on Traits:
- For Buff medals, always Extra Attack. Def+2000, HP+800, and +2 Gauges are good secondaries.
- For damage medals that cost 3 or less gauges, always Extra Attack
- For damage medals that cost 4 or more gauges, Str+1000 is probably more realistic.
- For damage medals, -60% Def (Ground or Aerial) are great and are probably going to be necessary for high ranking Coliseum.
- For medals you never use, +2 Max Gauges can be helpful for Proud quest rules.
- For medals you never use, the Resists are worth having one of each.
- For your raiding medals, +40% raid damage is amazing AND it stacks so get two or three!!
On a final and very important note:
Fantasia Mickey B (Mickey & Brooms) DOES NOT give you a trait!
<3 KCM
Nova is a new feature that gives you a one time use AOE attack per mission. When you get into combat, you’ll find the button on the right side, as shown below:

If you hit that button, it will perform the attack. When you fight the next enemy in the same mission, the button is no longer there:

This adds an element of strategy to using Nova - specifically, you want to use it against the strongest enemies in the stage and usually in groups. This is where you’ll get the most benefit.
Nova damage is very special because it isn’t affected very strongly by enemy level. Often, if an enemy is a high level it has high defense. This makes normal attacks and sometimes non-buffed special attacks do no damage. It’s annoying in Coliseum and High Score Challenges when you just need that one little hit left and you don’t want to waste Special bars to get it! But where a 10k attack with a medal might get turned into 1 damage at high level enemies, a 10k Nova does not. It is very reliable damage.
Nova damage is also calculated as non-attribute damage. It can be buffed by strength up medals such as Pooh, Piglet, and Illustrated Kairi. It can also be buffed by defense down medals like Mr. Smee and Megara. However, Nova damage is not affected by type-strength or type-defense: no Jack&Sally, Illustrated Black Coat Mickey, or Sora&Donald&Goofy.
For example:
Nova: 28,384 damage
iKairi + Nova: 45,821 damage
iKairi + J&S + Nova: 45,821 damage
Lastly, Nova can be leveled up. Each unique medal that you have guilted will give 1 level to your nova, and each unique medal that is at its maximum guilt will give 5 levels to your nova. This is sometimes hard to keep track of, but luckily the Album is updated to keep track of it for you:

The empty circle next to 6* Riku shows it has not been guilted and has contributed 0 levels to Nova.
The bright circle next to 6* Goofy shows it has been guilted to maximum (50% in this case) and has contributed 6 levels to Nova. One for guilting, five for maximum.
The dim circle next to 6* Mushu shows it has been guilted, but not to maximum (42% rather than 50%) and has contributed 1 level to Nova.
My Nova level is at 154, meaning I have guilted 49 medals, with 21 at max guilt. 21x5=105+49=154.
Leveling up your Nova gives it more damage.
Lv. 42: ~10,000
Lv. 61: ~13,000
Lv. 154: ~28,000
The general consensus is that with +3 Strength, Nova goes up ~25k per 100 levels.
However, you can only get this bonus from each medal ONE TIME. That is, if you guilt Mushu twice, you only get one Nova level. If you get two Mushus to 50%, you still only get 5 levels, not 10. I have two 100% Meowjestys, but I only got 6 levels, not 12.
Once you get the Nova bonus, you keep it forever. You can sell the medal if you want and you won’t lose any Nova levels.
Now there are a couple obvious ways to get your Nova level up, so let’s do a quick run down:
1.) Farmables. You can do story missions to endlessly guilt and reroll. There are 15 farmables, which is 90 levels of Nova! The best part is, you don’t have to waste any magic mirrors if you have the patience and luck.
2.) Events. Often there are events such as the Jungle Book one or the Meow Wow one where they give you an infinite number of a single medal. Getting those medals guilted and rerolled is a great way to boost your Nova.
3.) Save everything. It might seem trivial to keep Dumbo around, but when you pull your fifteenth one you might regret selling them! I actually have a 100% guilted Megara - though it serves no practical purpose - because I held onto multiples.
4.) Magic Mirrors. They can tip your 98% rolls into 100%. Don’t spend 20 MM just for five Nova levels though! Spend your MM on medals you will actually use! I would use no more than three or four MM on a medal you won’t use - for instance, I used three MM on my Megara. But I wouldn’t use 8 MM to get Mushu for 42% to 50%.
5.) Wait until Guilt Events, when minimum guilt rolls are much higher. This isn’t important for T1 Farmables, but T2, T3, etc. are limited chances. And the higher you roll for guilt, the less Mirrors you need to get the extra 5 levels from Max Guilt.
Remember: Nova is great. It’s an amazing advantage and a great new strategic attack. But investing your resources - specifically Magic Mirrors - into Nova over something useful (like Marluxia B) actually puts you at a disadvantage. Nova is a supplemental attack: it is not your main damage. You can only use it once per mission. Your medals come first.
Alright that’s everything I can think of! If anyone has comments or questions feel free to message me! I’m going to try putting up more guides like this in the future.
Thank you and good luck on those guilt rolls!!
<3 KCM
EDIT: Farmable medals don’t have a lot of practical purpose anymore. Even beginning the game now, one or two pulls during an Epic Medal Carnival will easily outrank even guilted farmables. HOWEVER. Farmables can be used for NOVA leveling, which is still very important. There are 90 levels total - 6 levels per farmable.
~~~
There are 15 medals in the game that are farmable: that is, medals that can be obtained from story quests. All of them are Tier 1 guilt (10-25%) but they can be a very helpful boost early in the game or if you’re not getting the draws you want! Here’s a list of what they are, where to get them!
Power:
Wakka - Mission 47 - Target
Goofy Ver. A - Mission 38 - Target
Paine - Mission 81 - Target
Pence - Mission 160 - Target
Young Hercules - Mission 12 - Target
Speed:
Tidus - Mission 47 - Target
KH Sora Ver. A - Mission 85 - Target
Rikku - Mission 24 - Target
Hayner - Mission 47 - Blue Chest
Stitch - Mission 12 - Target
Magic:
Selphie - Mission 38 - Target
Donald Ver. A - Mission 85 - Target
Yuna - Mission 14 - Target
Olette - Mission 14 - Target
Jiminy Cricket - Mission 51 - Target
(All of them can be found in other places! I tried to pick missions with a decent drop rate that drop 2* instead of 1*, since they’ll be easier to level and guilt.)
(Specifically Mission 81 drops four or five different farmables, so it’s a great place to start!)
So what’s worth it?
For Power, Goofy and Young Herc. Goofy costs less than Paine and has higher strength.
For Speed, Stitch’s single target is awesome, and Rikku has best AOE.
For Magic, Yuna is the way to go.
Jiminy is nice, but don’t guilt him.
The Twilight Trio is easily replaced by Diz, Aerith, or Vivi.
You can also farm up the evolve medals in the following missions, though the drop rates can be pretty low sometimes. All of them drop from Pretender chests:
Cheshire Cat: Mission 63
Merlin: Mission 57
Fairy Godmother: Mission 64
Yen Sid: Mission 164
Fantasia Mickey: Mission 270
Happy hunting!
<3 KCM
(Edit: khuxlightshope pointed out Goofy’s strength is higher than Paine’s)
Once you hit Mission 200 34, you get an item called a Power Bangle. That means little symbols appear next to those empty circles in your 6* medals:

You fill those bubbles by combining identical cards. By combining 6, the guilt icon lights up and it give you a percent multiplier to your special attack.

However, there are four eight (and counting!) tiers of guilt, to complicate things even further, and you can tell which tier a medal is by the guilt symbol by the bubbles a little number above the Level Up button (not shown in picture). Each Tier has its own maximum and minimum percentages.

(Thanks KHinsider for such an awesome infographic.)
So how do you get better guilt? Well, each tier generally represent its rarity. Also, the lower the tier, the fewer stars you can get it in. For instance, there is no such thing as a 1* Sephiroth, because he is a Tier 4. Olette, however, can be 1* all the way through 6*.
Tier 1: Farmable - 1* to 6* - like Stitch and Olette above, these can be rewarded from completing missions. Sometimes event medals that are easy to farm are also Tier 1. If you’ve got some free time and 15 dollars, you can get all the Tier 1 guilts without too much hassle.
Tier 2: Rare - 3* to 6* - only from medal pulls and events. If you save your medals after each pull, these are completely doable for a F2P player. All based on chance.
Tier 3: Epic - 5* to 6* - They go up to 100% which is amazing! But getting an epic medal is very rare unless you do pulls during the Epic Medal Carnivals. Even then, there are already tons of Epics and it’s hard to get the same one seven times.
Tier 4+: Premium - 6* only - They are available exclusively through medal draws and Ranked events, and are consistently the best medals in the game. Guilting them is a real show of ability and/or luck.
Here’s an example of what a Tier 4 Guilt looks like on a medal:

So now that you know what Guilt is, we should talk about how to get it! Obviously you need 7 of each medal type, but leveling seven medals to 6* and combining them sounds like a pain, doesn’t it? In order for the orbs to fill, the combined medals have to be the same star. That is, a 5* Mickey when combined with a 6* Mickey won’t give you an orb, and you will have wasted a good Mickey! Only a 6* can be combined with a 6*, 5* with 5*, and so on. But there are limitations!
1*: 0 orbs
2*: 0 orbs
3*: 1 orb
4*: 2 orbs
5*: 3 orbs
6*: 5 orbs and Guilt
That means you can’t combine a 1* and a 1*, you have to combine a 3* and a 3*. Here’s an example of a 5* with only three orbs:

The most economical route is to combine your 7 medals together at the lowest level, so you have fewer to level up! Obviously if you are working with Tier 3 guilt medals, it becomes less complicated as they start at 5*, or even LESS complicated with Tier 4, since everything is 6* already. Here’s a great infographic from KHinsider on the optimum way to guilt medals.
(LINK)
As you can see, you always need 7 of the medal you want. Combining two medals together that already have an orb will actually add an additional orb (for the one holding the orb)! In short, a 5* with one orb combined with a 5* with one orb equals a 5* with three orbs. That’s because there are always four medals that you’re working with.
When guilting, the ideal is a 5* with three orbs and a 5* with two orbs. Make them both into 6*s, then combine the two. That is 4 (medal+3) and 3 (medal+2) = 7 (medal+5+guilt). It sounds crazy, but once you do it once, it’ll make sense.
Things to remember:
~Only combine medals that are identical - same medal ID, same medal name, same amount of stars. (The exception to this is that the level of the medal doesn’t matter.)
~DO NOT DO THIS UNTIL MISSION 200 34!! Or you won’t get guilt. You can only get the 5 orbs.
~If you are unsure, check the preview. It will show blinking orbs where the orbs will be filled in.
~If you get a bad roll - say, 20% on a Tier 2, when you want a 50% - leveling up another 6* and combining it /again/ will re-roll your guilt. Guilt cannot be re-rolled LOWER than what you had, so there’s no downside. Of course, this means you will need 8 medals instead of 7.
~Magic Mirrors are given out during events. They increase your Guilt on one medal by 1%. So if you roll a 48% on a Tier 2, don’t worry. You can get up to 50% with 2 Magic Mirrors.
That’s all! Any questions, feel free to message me!
<3 KCM
Edit: The coveted Fantasia Mickey B (Mickey & Brooms) was added to the game. This adds one dot to any medal. If there are five dots, it activates guilt. If it has guilt, it rerolls guilt. They are still very rare though so use them wisely! Preferably on Tier 7+ medals.

