Here is the full list of all 97 Just King achievements.
Defeat the coliseum rulers
Swat the one that bit you.
Defeat the boss only buying Clerics and items.
Cause 666+ damage in a single hit.
You gonna need a lvl3 Cleric.
Get a MvP with Cleric lvl3.
Defeat the boss with at least 2 Captains at lv 3 each.
Equip an Captain lv3 with Forgotten Banner, Chaplain's Pauldron and Shattered Saber.
Running is sometimes a good option!
Reflect on your limitations.
Get a rare seed.
Make a foolproof plan.
Gotta run fazt.
Get fair pay for your work.
Play a song with your soul.
You must become a fighter!
Show off your power!
A helmet forged by great blacksmiths.
It's on fire!
Now you see it, now you don't!
Alleys too narrow to aim.
Gift of the high rank.
Perform a heroic move!
Reach 200% Damage and 4 Armor only with items on a hero.
Reach 200% Haste and 300% Heal only with items on a hero.
Defeat a boss using at least two lv3 Vikings.
Defeat a boss using at least two lv3 Deep Cultists.
Defeat a boss using at least two lv3 Sharkmancers.
Defeat a boss using only Frenzy heroes.
Defeat a boss using only Heavenly heroes.
Defeat a boss using only Shady Business heroes.
Defeat a boss using only Strategist heroes.
Defeat a boss using only Hot Hands heroes.
Defeat a boss using only Protagonist heroes.
Defeat a boss using only Cold heroes.
Defeat a boss using only Deep heroes.
Feed it.
There is no quality material nowadays.
Ice is not always the answer for everything.
Slide very fast for a long distance.
Find an old missing tree.
Defeat a boss using only Woodlander heroes.
Defeat a boss using at least two lv3 Onis.
Defeat a boss using at least two lv3 Ronins.
Defeat a boss using only Yokai heroes.
Concentrate to use your full power.
Win a combat without dealing damage with heroes.
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.
Defeat a boss using at least two lv3 Frost Witches.
Defeat a boss using at least two lv3 Huntresses.
You can't catch up with nature.
Try to protect everyone without much success.
Defeat a boss using at least two lv3 Druids.
Pat the pettable ones.
Feed the green.
Peace! Says the philosopher.
Reach 10 armor only with items on a hero.
Give Enzo tools to free himself.
Find a treasure that wants to be found.
Get hurt by using too much force.
A spear-sized baguette.
Use advanced hunting tactics.
Be defeated by nana on node 1.
Win a combat without taking damage.
Defeat the creature controlling the Bloodmoon.
Defeat the creature that stole the Throne of the Deep.
Gift it with the hug of the great mother.
Defeat the creature in the Mountain's Castle.
You need at least a PhD to blance magic and physics like that.
Win an Elite combat.
Defeat the creature that oppresses Trumwood.
Upgrade one hero to lvl3.
Be the center of attention.
Win your first node combat.
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 Undead War God with max Red Trophies.
Defeat the Lightning Party God with max Blue Trophies.
Participate in the Dreekmocatic system.
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!