Incredibly intelligent jellyfish from Kyrophis. False island jellies are massive predatory creatures with a devious mind and electrified paddle tentacles.
Tarnish Wasps are a group of Parasitoid Wasps that lay their eggs in crystal spiders, though just about any crystal, or magical creature (or person) can also become the host...
The Athos Repository was a massive library that covered a whopping 35 acres of Athian land, and was built over a set of fissures that cracked through the earth during the Shattering.