Talk:Ion Cube/@comment-91.181.18.21-20161211170107/@comment-28851543-20171227170330

You can craft blue (not purple whoops) artefact so you can open both entrance and moonpool.

You can craft purple ones because you might bit be ablo to gather every purple artefact on the map and there probably isn't enough for every door anyway.

Also in case the doors glitch and re-close.