From StrategyWiki, the free strategy guide and walkthrough wiki

Name	MP Needed	Effect
Stepguard	2	Prevent damage from poisonous swmaps and barriers
MapMagic	2	See all the surrounding area in the Map
Whistle	0	Call forth an enemy by blowing a whistle

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