Mythras Imperative has been released under ORC rules.
The indomitable Raleel has created SRD version of the newly released Mythras Imperative. Raleel’s version of the SRD has links to MeG and Raleel asked me to create or update few entries in MeG to match the creatures mentioned there.
Here are the updated or new ones:
You will find more about Mythras Encounter Generator here
Notes From Pavis 