Here is the full list of all 42 Monster Tribe achievements.
Collect 500 Monster Essence In Your Inventory
Collect 2000 Monster Essence In Your Inventory
Collect 5000 Monster Essence In Your Inventory
Obtain Your First Ateyan
Obtain 10 Unique Ateyan
Obtain 30 Unique Ateyan
Collect and Revive All 72 Ateyan!
Mutate Your First Ateyan
Mutate Ateyan 30 Times
Win Your First Battle
Win 50 Battles
Win 100 Battles
Win 300 Battles
Collect 99 of any Resource
Collect Every Resource
Collect 99 of any Item
Collect Every Item
Acquire Every Tool
Collect Every Berry Type
Collect Every Fish Type
Collect Every Lumber Type
Collect Every Ore Type
Run for a total of 30 Miles
Rebuild a Dock on the Island of Akama
Rebuild ALL Docks on the Island of Akama
Fix a House on the Island of Akama
Fix 5 Houses on the Island of Akama
Fix ALL Houses on the Island of Akama
Use the Fast Travel Mechanic Once (In Your Map Menu)
Collect ALL Philosopher Stones on the Island of Akama
Collect ALL 72 Stone Fragments
Stand still for over 3 seconds to pop up the Help UI
Collect 99 Driftwood In Your Inventory
Enjoy a nice Cup of Coffee from a shady stranger
Embark On Your Spiritual Journey!
Complete Iskot Mines Tower
Complete Nissok Ruins Tower
Complete Zamoi Jungle Tower
Complete Waska Peak Tower
Complete Pwateh Groves Tower
Complete Citadel of the Rift Chamber
Complete ALL Achievements!