Here is the full list of all 13 Shantae: Risky's Revenge - Director's Cut trophies - there are 9 bronze, 3 silver and 1 gold.
Seen ending 1
Beat the game with no Heart Holders
Seen ending 2
Destroy all Tinkerbats in the Sunken Cavern
Seen ending 3
Beat the genie clone without using potions
Own all magic and book upgrades
Kill 50 enemies with lightning
Lab 2 speed run
Kill 100 enemies via stomp
Seen ending 4
Beat boss 1 with only electricity
Beat the ambush