Ranks on recruitment for cultist from the ancillary have been fixed.
And replaced the 50% plague duration bonus of the great unclean one (nurgle) by +15% replenishment !

Upkeep cost rebalanced aswell.

Recruitment cost fixed !

Check the topic for details.

Ancillary Poisoner changes :

Edited : -15% attrition damages suffered for your own army
Added : 15% attrition damages for enemies in region

Poisoner reduces the attrition you suffer like it does vanilla with a little buff, and it does now too increase the attrition damages you causes to enemies in region.