The TOC shard (The Open-Cave) is a MOSS-based shard running on a bad version of physX engine causing a lot of bugginess and running with MOULa files.
That's not quite right. The Open Cave hosts 2 shards: a MOUL based and an Alcugs based shard. The Alcugs based shard wasn't very known and it was/is as like as the old Pelishard shard.