Sea Dragon's Nest

Water Creation Magic: Nest of the Sea Dragon (水創成魔法『海竜の巣』) is a water-based Creation Magic spell.

Description
With an open grimoire, the user crouches, places both hands near the ground, and then manifests a dome composed of multiple whirlpools, which covers the user's surroundings. The user is capable of freely controlling the size and position of the dome.

The whirlpools are capable of blocking multiple piercing forces from any direction without breaking.