Heavy Armored Titan

is a crystal-based Creation Magic spell.

Description
The users would open their grimoire in order to activate the spell. As the spell activates, the users body would then be covered by crystals from the torso down in resemblance of an armor. The crystals take a humanoid shape, complete with arms and legs. The surface of it is very amorphous with sharp crystals are protruding at different directions.

The users are able to control the armor and use the limbs to attack their target. When any parts of the armor are cut or destroyed, the users are able to regrow the said part and use it for a counterattack, subsequently.