Enemy skills is the yellow materia you get when you get Red XIII. They're also two other enemy skills. One is in the City of the Ancients, Chocobo Sage's, the other is in Junon on Advanced Hall. When you equip it, if a certin enemy cass its certain skill on the person wearing the Enemy skills materia, that person will b able to cast thaqt skill at the cost of some MP. There are 24 enemy skills:
Frog Song (120 MP) Casts frog and Sleep on target (or cure frog, but will cast sleep too remember!) Touch Me (Gogonga Area), Toxic Frog (Temple of the Ancients)
Level 4 Suicide (10 MP) Casts Death SEntence and Mini on all targets whose level is a multiple of 4. Mu (Grasslands Area)
Magic Hammer (3 MP) Siphons 100 MP from a single target (if possible). Raxon Weeds (Utai Area)
White Wind (34 MP) Refills HP to all allies by an amunt equal to the casters cuttent HP level. Zemzelett (Junon Area) Wind Wing (Whirlwind Maze)
Big Guard (56 MP) Casts Barrier, MBArrier and Haste on all targets. Beach Plugs (Costa Del Sol Area) ONLY ON THE COASTLINE
Angel Whisper (50 MP) Completely refills the HP and cures most conditions of one targer. Will also completely revive and refill the HP of a dead party member. Pollensalita (Final Dungeon)
Dragon Force (19 MP) One targets physical and magical defenses are increased by 50% Dark Dragon (Final Dungeon)
Death Force (3MP) Attempts to both cast Deah Sentence and kill instantly a single foe. Adamantai (Wutai Area) COASTLINE ONLY
Flame Thrower (10 MP) Does a moderate amount of Fire-type damage to one target. Archdragon (Mythril Mine) Dragon (Nible Mountain)
Laser (16 MP) Reduces target's HP level by 1/2. Not effective on all enemies. Bull Motor (Corel Prison) Daark Dragon (Final Dungeon)
Matra Magic 8 MP) Does light type-less damage to all enemires. Custom Sweepers (Midgar Area)
Bad Breath (58 MP) Attempts to cast Poinson, Sleep, Mini, Frog and Confuse on all enemies Molbor (Gaea Cliff)
Beta (35 MP) Does a moderate amount of fire-type damaged to all enemies. Midgarsorm (Grasslands AReas Swamp)
Aqualung (34 MP) Does a modearate amount of water-type damage to all enemies. Chimera (Gold Saucer Area Desert)
Trine 20 MP) Does a moderate amount of lightening-type damage to all enemies. Mreria \keeper (Mibel Mountain) Stilv (Gaea's Cliff)
???? (3 MP) One target enemy takes an amount of type-less damage equal to your HP Max minus your current HP level. Judge (Shinra Mansion) Behemoth (Midgar Sector 8)
Goblin Punch (0 MP) Does light type-less damage to one enemy. If enemy is the same level as you, it does heavy type-less damage. Goblin (Goblin Island)
Chocobuckle (3 MP) A Mog comes and lands on one opponent. Damage is equal to the number of times you've escaped times 4. To get this, buy 3 Mimmennt Greens and go find a chocobo. Check to see if the chocobo is at a level that is a multiple of 4. If he is, feed him the three greens, then hit him with a level 4 suicide. He'll counter with chocobuckle. Note the damage that my Chocobuckle does just equals the number of times I ran away. Since everyone else says their Chocobuckle damage is multipled by 4, that is why I included it.
Level 5 Death (22 MP) Instantly kills all enemies whose level is a multiple of 5. Not effective against boseese. Parasite (Final Dungeon)
Death Sentence (10 MP) Gives one enemy the Death Sentence condition (Where enemy dies when counter runs out0> Not effective against bosees. Sneaky Step, Death Spector (Cave of the Gi).
Death Roulette (6 MP) One randomly chosen character participating in battle is killed instantly. Not effective on bosses. Death Dealers (Final Dungeon)
Shadow Flare (100 MP) One eney is hit for extremely heavy type-less damage. Diamond Ultimte Weapon (Junon/Cosmo Canyon Area) Zombie Dragon (Final Dungeon)
Pandora's Box (110 MP) All enemies are hit for a moderate-heavy amount of type-less damae. Dragon Zombie (Final Dungeon)