Slime Bolt

From Portals of Phereon Wiki

A spell that can deal damage or change the terrain, it's notable for having no cooldown.

Creation's signature skill, only a few other characters have access to this, and most of them will only be available if you choose Creation as MC.

Note that combining two Slime Bolts is the only way to get the SlimeRain skill, which you will not see in the game otherwise.