I have the same issue, wither skeletons spawn rate is too low. I always check 3 nether fortresses in my world and only find 2-4 skeletons per hour! The light level is low enough everywhere.
Bohdan Parkhomchuk
I have the same issue, wither skeletons spawn rate is too low. I always check 3 nether fortresses in my world and only find 2-4 skeletons per hour! The light level is low enough everywhere.