Anvelope
According to Wally the condition to reach the mystic grade is to adapt to the sandy grey void and this can be replicated with the other Empyrean Snappers. Then isn't Brangara digging a grave for the Varahan Empire since he plans to use the sandy grey void to act as defensive barrier to one side of his empire. Imagine a bunch of mystic grade pranic beasts flood the Varahan enclave with sandy grey like what the mudroppers did to gaja enclave.