Monster essence?

[Buffalo_Wings_Master]

I just set up a cow farm with MFR grinders and i am getting monster essence
what can i do with it? (I dont know how to get the recipes for it via NEI)

 

[bwillb]

It's used in the auto-enchanter.

http://ftbwiki.org/Monster_Essence

 

[KhrFreak]

i believe it can be used in the auto enchanter and in the auto spawner to spawn mobs

 

[Grydian2]

Depending on the version of MFR but you can also create a straw and drink the mob essence to give yourself xp...