This is a list of Arcane spells and the monsters that are capable of casting them:

1) Death Sentence - Boo Ghost, Armadon, FungiBeast.

2) Death Roulette - Boo Ghost, Scrag.

3) Tsunami - Ice Titan, NigiMitama, Shadow Boo.

4) Aquatic Breath - Boo Ghost, Hydra, Abyss Drgn, Korok, Sahagin, Suribowser.

5) Aero - Rotsucker, Decepticon, Boo Ghost, Klarrgas, T-Rexaur, Horror, Brute, Scavenger.

6) 1000 Needles - Boo Ghost, Cactuar, Elder Drgn, Scrag, SweetTooth, MedusaHead, Cactoid, Facehugger, Steelpion.

7) Mighty Guard - Commando, Brute, MedusaHead, R-Series, Riot Mecha.

8) Revenge - Gigaspede, Boo Ghost, Dragon, Meat, SakiMitama, Prinny, Chimera, Thresher.

9) White Wind - Djinn, Boo Ghost, Drowned, Hothead, Diablo.

10) Level 5 Death - Boo Ghost, Decepticon, Klarrgas, Meat, Drowned, Weirdling, Motor Trap, Goliath, Fiend.

11) Level 4 Flare - Boo Ghost, Vargshroom, Meat, Drowned, Motor Trap, Goliath, Shadow Boo, Fiend.

12) Level 3 Confuse - Boo Ghost, Meat, Drowned, Motor Trap, Fiend.

13) Anti-Reflect - Beezlebub, Boo Ghost, Cacodemon, Ex Machina, Witch.

14) Level ? Holy - Boo Ghost, Ex Machina, Mouser, Dragonzord, Nightblade, Shadow Boo.

15) Orb of Travel - Boo Ghost, Headcrab, Goblin, Telstar.

16) Force Field - Azala, Queen of the Reptites is rumored to cast this spell.

17) Black Shock - Archdaemon, Pain Demon, Boo Ghost, Chaser, Babyhemoth, Scrag, War Golem, MedusaHead, Kabutops, Skelesnake.

18) Cursed Breath - Boo Ghost, Corpser, Korok, Xenomorph.

19) Transfusion - Jelly, Metallix.

20) Rippler - Boo Ghost, Clockwerk, Stargrazer, Korok, Wraith.

21) Rock Barrage - Predator, Putty, Boo Ghost, Skeletor, Korok, Omnigear, Prinny, Dry Bowser, Thresher.

22) Quasar - Boo Ghost.

23) Shadow Flare - Kraid the Space Pirate is known to cast this spell when unaccompanied.

24) Self-Destruct - Bomb, Boo Ghost, Ember, Melville, MagWheeler, Metallix, Motor Trap, Prinny, Hoverguard, Dry Bowser, Diablo, Wart.

Many of the stronger monsters, 'bosses', as they're called, cast these spells as well. There should be a way to get other monsters to cast some of these spells by confusing or controlling them.

~FSY