End variants for the mobs that already have Nether/fire/hell variants or lack a dark/cave variant. Reuse dark/cave variants for End mob spawning.

[OnePlayer480]

The rat, wraith, ogre, manticore, scorpion, horsemob could have end variants, or reuse the dark/cave variants that those already have and those could naturally spawn commonly in the end, as of now the mod doesn't spawn anything in said dimension despite allowing the config to be tweaked to do so (but this is not the way it was intended).

This means only a dark rat and a dark wraith would be added to the mod, no need to develop the other 4 because there are already dark/cave variants of the ogre, manticore, scorpion and horsemob. And again, these could be used to populate the End.