Sea Dragon's Nest

is a water-based Creation Magic spell.

Description
The users would open their grimoire in order to activate the spell. Subsequently, the users would squat and place both of their hands near the ground. A dome composed of multiple whirlpools would then manifest and covers the users' surrounding.

The whirlpools are capable of blocking multiple piercing forces from any direction without breaking. Subsequently, the users also capable of freely control the size and position of the dome.