Find the Keys

Intro ,Key 1 is in a volcano, Key 2 is in Aquarius The ocean realm,Key 3 is in the forest Of Life,Key 4 Is in the Infinite Realm,Key 5 is in the Time Realm,Key 6 is in the Duskborne/shadow realm,Key 7 is in the Cia Operations Base,Key 8 is in the The realm Of Curses,Key 9 is in the kingdom of Monkeys,Key 10 is in the Kingdom of Elves and Fairies,Key 11 is in the Underworld/Soul realm,Key 12 is in the Ice realm,Key 13 is in hell,Key 14 is in heaven,Key 15 is in Olympus,Key 16 is in the Earth Realm,Key 17 is in the City of mummies,Key 18 is in the Sky City.Good luck.