Hi DirtyMike,
Here are Event Goals 28-45. Event Goal 32 is the one you are looking for. Thankfully there are no "open epic chest" goals.
#28: Find 90 event epic cards (Guardess)
#29: Level up any legendary girls 3 times
#30: Get 6400 gold
#31: Defeat any event monsters 45 times
#32: Find 50 event legendary cards (Auyuchi)
#33: Get 2000 pirate silver
#34: Defeat any monsters in the legendary Dungeon rooms 20 times
#35: Level up event epic card (Guardess) to level 5
#36: Open any 5 chests in the shop
#37: Level up event legendary card (Auyuchi) to level 5
#38: Find any 5 mythic cards
#39: Spend 4e3 pirate silver
#40: Level up any mythic girls 2 times
#41: Defeat mythic event monster (six-skinned) once
#42: Find 15 event mythic cards (Musher)
#43: Defeat any monsters in the mythic dungeon rooms 20 times
#44: Defeat mythic event monster (six-skinned) 10 times
#45: Level up event mythic card ( Musher) to level 5