Here is the full list of all 97 Just King achievements.
Feed it.
You must become a fighter!
Equip an Captain lv3 with Forgotten Banner, Chaplain's Pauldron and Shattered Saber.
Play a song with your soul.
Get a rare seed.
Gift it with the hug of the great mother.
Get hurt by using too much force.
Be the center of attention.
Find a treasure that wants to be found.
Defeat a boss using at least two lv3 Ronins.
Defeat a boss using at least two lv3 Onis.
Defeat a boss using only Yokai heroes.
Defeat the creature controlling the Bloodmoon.
Concentrate to use your full power.
Reflect on your limitations.
You gonna need a lvl3 Cleric.
Defeat a boss using only Shady Business heroes.
Reach 200% Haste and 300% Heal only with items on a hero.
Pat the pettable ones.
Defeat a boss using only Hot Hands heroes.
It's on fire!
Defeat a boss using only Frenzy heroes.
Peace! Says the philosopher.
Defeat a boss using only Protagonist heroes.
Defeat a boss using at least two lv3 Frost Witches.
Defeat a boss using at least two lv3 Vikings.
Defeat a boss using only Cold heroes.
Ice is not always the answer for everything.
Defeat a boss using at least two lv3 Deep Cultists.
Defeat a boss using at least two lv3 Sharkmancers.
Defeat a boss using only Deep heroes.
Defeat a boss using at least two lv3 Huntresses.
Defeat a boss using at least two lv3 Druids.
Defeat a boss using only Woodlander heroes.
Defeat a boss using only Strategist heroes.
Defeat the boss with at least 2 Captains at lv 3 each.
Now you see it, now you don't!
Defeat the boss only buying Clerics and items.
Defeat a boss using only Heavenly heroes.
Get a MvP with Cleric lvl3.
Win a combat without taking damage.
Be defeated by nana on node 1.
Defeat the creature that stole the Throne of the Deep.
Reach 200% Damage and 4 Armor only with items on a hero.
Use advanced hunting tactics.
Gift of the high rank.
Slide very fast for a long distance.
Defeat the creature in the Mountain's Castle.
Win an Elite combat.
Try to protect everyone without much success.
Defeat the creature that oppresses Trumwood.
Upgrade one hero to lvl3.
Win your first node combat.
Cause 666+ damage in a single hit.
Running is sometimes a good option!
Give Enzo tools to free himself.
Make a foolproof plan.
Gotta run fazt.
Get fair pay for your work.
Show off your power!
A helmet forged by great blacksmiths.
Alleys too narrow to aim.
A spear-sized baguette.
Perform a heroic move!
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.
Find an old missing tree.
Feed the green.
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!