From StrategyWiki, the free strategy guide and walkthrough wiki

Name	MP Needed	Effect
Sleep	3	Put one enemy into a deep sleep
StopSpell	3	Confine the magic spells of all enemies
Surround	3	Engulf all enemies in a mist of illusion
PanicAll	5	Confuse all enemies
RobMagic	0	Steal the MP of one enemy
Sap	3	Lower defence stength of one enemy
Upper	2	Raise the defence strength of one ally
TwinHits	6	Raise the attack strength of one ally
SleepAir	3	Put all enemies to sleep
PoisonGas	3	Poison all enemies
PaniDance	4	Confuse all enemies
Curse	3	Cast a curse on all enemies
WarCry	3	Stun all enemies with a very loud yell

Note: When a monster grows up and increases in levels, it's skills and/or special skills change into more powerful forms.