Originally Posted by
ArcadiaTofu
Level 10 - Dark-Earth (Racmoon BOSS) = Emerald or Treasure. Treent; or nature with {anything but electric}.
Level 11 - Electric-Fire (Fire Glider) = Cyclops. Earth with {fire, electric, water or Valentine}.
Level 12 - Electric-Water (Falconch) = Electric-earth. Citrine or cyclops. Poodle; or {Earth or electric} with {nature or dark}.
Level 13 - Electric-Dark (Koala Cadabra) = Earth-fire. Treasure. Treent; {Fire or earth} with {nature, dark, electric or Xmas}.
Level 14 - Valentine's-Earth (Love Dove) = Emerald. Gem (with anything but fire or water). Nature with {anything but fire or water}
Level 15 - Lucky (Hamrock) = No element is Strong against Lucky. Another rule TL just changed... joy.
Level 16 - Electric-Water (Conducktor) = Electric-earth. Citrine or cyclops. Poodle; or {Earth or electric} with {nature or dark}.
Level 17 - X-mas-Fire (Reindeer) = Cyclops. Earth with {fire, electric or water}.
Level 18 - Dark-Water (Chromadile) = Treasure. Any Xmas or V-Day; or electric with anything but gem.
Level 19 - Electric-Dark (Bansheep) = Earth-fire. Treasure. Treent; {Fire or earth} with {nature, dark, electric or Xmas}.
Level 20 - Lucky (Lucky Rabbit BOSS) = No element is Strong against Lucky. Another rule TL just changed... joy.
Level 21 - Water-Earth (Rainguin) = Emerald. Poodle. Unicorn or Citrine. {Nature or V-Day} with anything but fire.
Level 22 - Earth-Fire (Cherub Cub) = Cyclops or cthulhu. Water-earth. Unicorn or Emerald. {Earth or water} with nature.
Level 23 - Dark-Fire (Firefox) = Earth-fire, water-fire or water-earth. Treasure. Treent.
Level 24 - Nature-Fire (Solar Simian) = Ruby. Steamtrunk. Gem (with anything but nature). {Fire or water} with {anything but nature or dark}.
Level 25 - Water-Nature (Arboar) = Citrine. Gem (with anything but earth). Any Xmas; V-day (no earth); or electric with {anything but earth}.
Level 26 - Earth-Nature (Plantlers) = Emerald. Unicorn, ruby or cthulhu. Nature with {fire, water, dark or Xmas}.
Level 27 - Water-Nature (Seamur) = Citrine. Gem (with anything but earth). Any Xmas; V-day (no earth); or electric with {anything but earth}.
Level 28 - Nature-Fire (Fairy Ferret) = Ruby. Steamtrunk. Gem (with anything but nature). {Fire or water} with {anything but nature or dark}.
Level 29 - Dark-Water (Sea Lion) = Treasure. Any Xmas or V-Day; or electric with anything but gem.
Level 30 - Dark-Nature (Frankenswine BOSS) = Ruby. Fire with anything but earth. Treent.
Level 31 - Water-Nature (Winter Wolverine) = Citrine. Gem (with anything but earth). Any Xmas; V-day (no earth); or electric with {anything but earth}.
Level 32 - Earth-Fire (Rampage) = Cyclops or cthulhu. Water-earth. Unicorn or Emerald. {Earth or water} with nature.
Level 33 - Earth-Fire (Heartvark) = Cyclops or cthulhu. Water-earth. Unicorn or Emerald. {Earth or water} with nature.
Level 34 - Valentine's-Fire (Smitten Kitten) = Cyclops. Earth with {anything but nature or dark}.
Level 35 - X-Mas-Nature (Toy Poodle) = Ruby. Gem with anything but water. Fire with anything but earth or water.
Level 36 - Earth-Fire (Magmacore) = Cyclops or cthulhu. Water-earth. Unicorn or Emerald. {Earth or water} with nature.
Level 37 - Electric-Nature (Porcupine) = Ruby. Gem (with anything but water). Fire with {anything but water or V-Day}.
Level 38 - Nature-Fire (Jackalope) = Ruby. Steamtrunk. Gem (with anything but nature). {Fire or water} with {anything but nature or dark}.
Level 39 - Earth-Fire (Bulldog) = Cyclops or cthulhu. Water-earth. Unicorn or Emerald. {Earth or water} with nature.
Level 40 - Living Wood (Treent BOSS) = No element is Strong against Treent. Another rule TL just changed... joy.
Level 41 - Water-Earth (Rockadile) = Emerald. Poodle. Unicorn or Citrine. {Nature or V-Day} with anything but fire.
Level 42 - Dark-Fire (Nightmare) = Earth-fire, water-fire or water-earth. Treasure. Treent.
Level 43 - Dark-Fire (Terrorier) = Earth-fire, water-fire or water-earth. Treasure. Treent.
Level 44 - Dark-Nature (Spruce Moose) = Ruby. Fire with anything but earth. Treent.
Level 45 - Electric-Earth (Ampeater) = Emerald or cyclops. Earth-nature. Unicorn or Citrine. {Nature or earth} with dark.
Level 46 - Nature-Fire (Fallaby) = Ruby. Steamtrunk. Gem (with anything but nature). {Fire or water} with {anything but nature or dark}.
Level 47 - Water-Earth (Glacial Griffin) = Emerald. Poodle. Unicorn or Citrine. {Nature or V-Day} with anything but fire.
Level 48 - Nature-Fire (Merry Meerkat) = Ruby. Steamtrunk. Gem (with anything but nature). {Fire or water} with {anything but nature or dark}.
Level 49 - Dark-Nature (Twilight Troll) = Ruby. Fire with anything but earth. Treent.
Level 50 - Dark-Earth (Puffalo BOSS) = Emerald or Treasure. Treent; or nature with {anything but electric}.
Level 51 - Electric-Nature (Eagle Beagle) = Ruby. Gem (with anything but water). Fire with {anything but water or V-Day}.
Level 52 - Earth-Nature (Bamboon) = Emerald. Unicorn, ruby or cthulhu. Nature with {fire, water, dark or Xmas}.
Level 53 - Electric-Earth (Thorilla) = Emerald or cyclops. Earth-nature. Unicorn or Citrine. {Nature or earth} with dark.
Level 54 - Dark-Water (Land Shark) = Treasure. Any Xmas or V-Day; or electric with anything but gem.
Level 55 - Water-Earth (Slippopotamus) = Emerald. Poodle. Unicorn or Citrine. {Nature or V-Day} with anything but fire.
Level 56 - Electric-Fire (Lunar Goat) = Cyclops. Earth with {fire, electric, water or Valentine}.
Level 57 - Electric-Earth (Thunder Mammoth) = Emerald or cyclops. Earth-nature. Unicorn or Citrine. {Nature or earth} with dark.
Level 58 - Dark-Earth (Pygmy Giraffe) = Emerald or Treasure. Treent; or nature with {anything but electric}.
Level 59 - Valentine's (Matripony) = One user reported Water was Strong against Matripony.
Level 60 - Gem (Crystal Unicorn BOSS) = Treasure. Treent; or dark with {anything but nature or earth}.
Level 61 - Electric-Fire (Daredevil) = Cyclops. Earth with {fire, electric, water or Valentine}.
Level 62 - Electric-Nature (Palmeranian) = Ruby. Gem (with anything but water). Fire with {anything but water or V-Day}.
Level 63 - Electric-Water (Great Danebow) = Electric-earth. Citrine or cyclops. Poodle; or {Earth or electric} with {nature or dark}.
Level 64 - Water-Earth (Glacial Griffin) = Emerald. Poodle. Unicorn or Citrine. {Nature or V-Day} with anything but fire.
Level 65 - Gem-Earth (Obsidian Cyclops) = Treasure, unicorn, emerald or cthulhu. Treent or dark with {water or nature}.
Level 66 - Dark-Fire (Ember Bear) = Earth-fire, water-fire or water-earth. Treasure. Treent.
Level 67 - Nature-Fire (Holly Collie) = Ruby. Steamtrunk. Gem (with anything but nature). {Fire or water} with {anything but nature or dark}.
Level 68 - Earth-Nature (Treebra) = Emerald. Unicorn, ruby or cthulhu. Nature with {fire, water, dark or Xmas}.
Level 69 - Earth-Fire (Romanticore) = Cyclops or cthulhu. Water-earth. Unicorn or Emerald. {Earth or water} with nature.
Level 70 - Gem-Water (Sapphire Cthulthu BOSS) = Electric-dark. Treasure or Citrine. Matripony; or {dark or electric} with water.
Level 71 - Earth-Fire (Vampire Cat) = Cyclops or cthulhu. Water-earth. Unicorn or Emerald. {Earth or water} with nature.
Level 72 - Earth-Nature (Pumpkin Panda) = Emerald. Unicorn, ruby or cthulhu. Nature with {fire, water, dark or Xmas}.
Level 73 - Water-Fire (Steamtrunk) = Electric-earth. Love Dove. Citrine or cyclops. Matripony; or {earth or electric} with water.
Level 74 - Earth-Fire (Valentiger) = Cyclops or cthulhu. Water-earth. Unicorn or Emerald. {Earth or water} with nature.
Level 75 - Treasure (Money Badger) = Poodle. Another Xmas; or nature with {anything but dark or gem}.
Level 76 - Dark-Water (Psyena) = Treasure. Any Xmas or V-Day; or electric with anything but gem.
Level 77 - Earth-Fire (Skeletal Dragon) = Cyclops or cthulhu. Water-earth. Unicorn or Emerald. {Earth or water} with nature.
Level 78 - Lucky (Harpy) = No element is strong against Lucky.
Level 79 - Gem-Nature (Emerald Dragon) = Ruby. Dark-fire. Unicorn, Citrine or Cthulhu. Treent, or {fire or dark} with {water or electric}.
Level 80 - Electric-Water (Charger BOSS) = Electric-earth. Citrine or cyclops. Poodle; or {Earth or electric} with {nature or dark}.
... And, I'm done! :3
(Source: Zenobia's List)