Here is the full list of all 37 Heroes of Umbra achievements.
Reach level 20
Reach level 40
Reach level 60
Reach level 80
Rebirth a character
Reach level 99 with a rebirthed character
Attain a base walk speed of at least 150
Attain a base jump power of at least 150
Have at least 6 active buffs simultaneously
Find 20 monster companion eggs
Craft three level three gems into a single 9-slot item
Travel to all forest maps
Travel to all cave maps
Travel to all Yeti Mountain maps
Travel to all Factory maps
Hit 20 enemies with Fireball
Cyclone for 5 consecutive seconds
Use at least 1,000,000 Flips with Money Toss
Kill 1,000 crabs
Summon 1,000 spirits.
Heal for at least 1,000 HP with a single recovery spell
Equip only perfectly-crafted 9-slot gear
Complete the Goosecopter segment without taking damage
Earn the Kappas' trust
Complete the optional quests in Troll Forest
Complete the optional quests in the Factory
Uncurse an equipment
Complete the optional quest in Sunglade Highlands
Find and enter a portal to the Orb Gardens
Reach Orb Rank 50
Complete the game with a Rebirthed character
Upgrade gems 20 times
Upgrade an Orb to level 8
Defeat 100,000 enemies
Die 100 times
Find 10 monster cards
Destroy 500 pieces of equipment at the Rebirth Shop