Here is the full list of all 38 Rift Keeper trophies - there are 20 bronze, 13 silver, 4 gold and 1 platinum.
Good job! Completed all tasks!
Get killed for 20 times.
Get killed for five times.
Equip the legendary halberd, Skullcrusher.
Equip the legendary Scroll of the Keeper's Call.
Equip the legendary Keeper's Crossbow.
Equip the legendary Godslayer sword.
Harness power from 50 different shrines.
Pray to the Mother Keeper 50 times.
Gather 100 collectibles.
Gather 50000 gold from enemies or chests.
Kill 1000 enemies.
Spend 50000 gold on vendors.
Reach stage 33.
Xal'sheth slain
Reach stage 30.
Finish a dungeon without getting hit.
Equip a legendary spell rune.
Kill Castemore
Reach stage 20.
Spend 10000 gold on vendors.
Loot 50 items.
Kill 500 enemies.
Gather 25 collectibles.
Finish a dungeon under 100 seconds.
Kill Valerienne
Get killed for the first time.
Reach stage 10.
Gather 10000 gold from enemies or chests.
Gather 10 collectibles.
Loot ten items.
Kill 100 enemies.
Spend 1000 gold on vendors.
Kill 50 enemies.
Gather 1000 gold from enemies or chests.
Loot one item.
Kill 25 enemies.
Kill your first enemy.