O-gate

The O-gates are portals which connect various universes. It is not known how they work, as some do not even seem to have any internal mechanism. The O-gate in the HC4 universe was purely a mockup, but turned out to be fully functional anyway.
== Universes containing known O-gates ==
The Multiverse
HC4
Enrique and Heather
Happy Forest
Darkfox
Darkwolf
category: Items