Using a bucket (pouring lava) is possible within a restricted region

[Voker57]

Despite editing a region being otherwise forbidden, it is still possible to use a bucket of lava within one

[afwbkbc]

imo it's not a big problem, don't fix

[l29ah]

Allowing using lava within a restricted region results in ability to slay NPCs as soon as they come, crippling the game.