Conversation so far:
What was Pinhead's weaknesses?
eliminates these restraints when he is separated from the part of him that is Elliot Spencer, wreaking havoc indiscriminately upon every human subject he encounters.
Are there any other interesting aspects about this article?
His magic is also used for creating objects out of thin air, teleporting, creating explosions at distances and deceiving opponents with illusions.

Question: What were Pinhead's limitations?
Self-contained rewrite: What were Pinhead's limitations?