Unknownreported this bug
Summary
When using the skill Blockmask, half-blocks and barrels don't return to their original state when the Blockmask's effect time expires and the blocks return to their original state.
Steps to reproduce
Combat mobs with the Blockmask skill in an area with barrels and half-blocks.
Current behavior
There is a transparent block, and when the player goes there, it is trapped.
Intended correct behavior
A barrel or half-block returns to that block when the Blockmask's effect time expires and the block returns to its original state.