Brick of slow melting ice

A brick of slow-melting ice (short name: icebrick) captures the magic of a persisting icewall enchantment in block form. Pointing the brick in direction shall summon a reoccuring icewall, which will tick six times every three seconds. The brick may be used once every five minutes.

Pieces:

(1) Some magic ice, level 1

(1) The repeating spell for a block of ice, level 1

(1) The binding for a brick of ice, level 1

(1) The enchantment for a brick of ice, level 1