Here is the full list of all 97 Just King achievements.
Defeat a boss using only Yokai heroes.
Defeat a boss using at least two lv3 Onis.
Defeat a boss using at least two lv3 Ronins.
Find a treasure that wants to be found.
Concentrate to use your full power.
Defeat the creature controlling the Bloodmoon.
Defeat a boss using only Woodlander heroes.
Defeat a boss using at least two lv3 Huntresses.
Defeat a boss using at least two lv3 Druids.
Reach 200% Damage and 4 Armor only with items on a hero.
Equip an Captain lv3 with Forgotten Banner, Chaplain's Pauldron and Shattered Saber.
Defeat a boss using only Cold heroes.
Defeat a boss using only Strategist heroes.
Now you see it, now you don't!
Show off your power!
Defeat a boss using only Protagonist heroes.
Perform a heroic move!
You must become a fighter!
Defeat a boss using only Hot Hands heroes.
Be the center of attention.
Defeat a boss using at least two lv3 Vikings.
Get a rare seed.
Feed it.
Defeat a boss using only Deep heroes.
Gotta run fazt.
Defeat a boss using at least two lv3 Frost Witches.
Defeat a boss using only Frenzy heroes.
Play a song with your soul.
A helmet forged by great blacksmiths.
Defeat a boss using at least two lv3 Deep Cultists.
Defeat a boss using at least two lv3 Sharkmancers.
You gonna need a lvl3 Cleric.
Give Enzo tools to free himself.
Defeat a boss using only Shady Business heroes.
Defeat the boss with at least 2 Captains at lv 3 each.
Reflect on your limitations.
Alleys too narrow to aim.
Win a combat without taking damage.
Defeat a boss using only Heavenly heroes.
Defeat the boss only buying Clerics and items.
Get a MvP with Cleric lvl3.
Defeat the creature that stole the Throne of the Deep.
Peace! Says the philosopher.
Pat the pettable ones.
Be defeated by nana on node 1.
Defeat the creature in the Mountain's Castle.
Defeat the creature that oppresses Trumwood.
Cause 666+ damage in a single hit.
Win an Elite combat.
Get fair pay for your work.
It's on fire!
Upgrade one hero to lvl3.
Win your first node combat.
Running is sometimes a good option!
Try to protect everyone without much success.
Make a foolproof plan.
Gift of the high rank.
A spear-sized baguette.
Reach 200% Haste and 300% Heal only with items on a hero.
You can't catch up with nature.
You need at least a PhD to blance magic and physics like that.
There is no quality material nowadays.
Ice is not always the answer for everything.
Use advanced hunting tactics.
Gift it with the hug of the great mother.
Slide very fast for a long distance.
Find an old missing tree.
Feed the green.
Get hurt by using too much force.
Win a combat without dealing damage with heroes.
Reach 10 armor only with items on a hero.
Fight for a noble cause.
Get a potion in the middle of the festival.
Show some of your faith during a tense moment.
Get rid of something important.
Impress them with your "luck".
Defeat the Shadow King with King.
Be yourself.
Guarantee the party's security.
Get in touch with a distant relative.
Sculpt faster than sound
Create a whirlwind of jaws
What best adapts to changes.
Grow every kind of Krasis to its maximum potential
Defeat a boss using at least two lv3 Medusas.
Defeat a boss using at least two lv3 Cyclopes.
Defeat a boss using only Mythic heroes.
Defeat the coliseum rulers
Defeat the Undead War God with max Red Trophies.
Defeat the Lightning Party God with max Blue Trophies.
Participate in the Dreekmocatic system.
Swat the one that bit you.
Remember your kelp roots.
Find the right weapon to defeat your foes.
Defeat the gods without ever gaining any Red or Blue Trophies in a run
Say prayers for each of the forgotten ones at the shrine.
Defend your thesis!