Here is the full list of all 64 Guardians of Hyelore achievements.
Use 6 potions in a single battle.
Gain 50 stars.
Defeat 30 bosses.
Wait for some time before hiring your first unit.
Obtain 25 achievements.
Gain 3 stars in 20 stages.
Accumulate 5000 gems.
Use 3 potions in a single battle.
Gain 4 or more stars on your first attempt of stage 12.
Defeat 20 bosses.
Defeat a boss in under 10 seconds.
Gain 3 stars in 10 stages.
Accumulate 1000 gems.
Slay 200 enemies in a single battle.
Shoot 1500 arrows.
Defeat 10 bosses.
Gain 20 stars.
Gain 5000 health from heals.
Gain 4 or more stars on your first attempt of stage 7.
Earn 10000 gold coins.
Gain 10 stars.
Gain 3 stars in 5 stages.
Gain a victory using only Warrior units.
Gain 4 or more stars on your first attempt of stage 4.
Slay 300 enemies.
Gain 3 victories in a row without being defeated.
Gain a victory using only Support units.
Defeat a stage without any casualties while being at most 2 levels higher than the enemy.
Heal 300 times.
Gain a victory in stage 1 with 3 stars.
Gain a victory without taking any tower damage.
Earn 1000 gold coins in a single battle.
Gain a victory without Argoth being defeated.
Gain all stars.
Hire 150 Scouts.
Hire 150 Clerics.
Hire 150 Wardens.
Hire 150 Conjurers.
Deal at least 100 damage from a single arrow.
Gain a victory in under 1 minute.
Gain a victory without encountering a boss.
Gain a victory without spending more than 250 gold.
Max out all of Argoth's abilities.
Cast 250 magic spells.
Land the finishing blow on a boss with a bomb.
Earn every achievement.
Gain 3 stars in 30 stages.
Explore the Catacombs.
Accumulate 10000 gems.
Accumulate 20000 gems.
Accumulate 50000 gems.
Toss 75 bombs directly onto targets.
Consume 100 potions.
Consume 200 potions.
Consume 500 potions.
Obtain 50 achievements.
Gain 4 or more stars on your first attempt of stage 17.
Gain 4 or more stars on your first attempt of stage 22.
Defeat the final stage on your first attempt.
Damage 500 enemies with Arctic Hail.
Knock back 30 enemies with one cyclone.
Stun 200 enemies.
Collect 250 gems from enemy drops.
Freeze 20 or more enemies with one Frigid Winds.