Glacier's Bite (Drained)

The longsword counts as a +1 magic weapon
and deals an additional 1d4 of cold dmg.
Actions:
-The wielder Speaks the swords command word and is encased in a protective barrier of ice for 1d4 turns. The barrier has ac 20 and hp 50. While in the barrier the wielder may not move or take any actions but will regain ¼ their max hp each turn. If the barrier is broken they will immediately stop regening hp and be able to move.