I have tried using Ava and Bearix together on my Weapons training Review but seems like their ability does not stack.
Peakd Post:
https://peakd.com/hive-13323/@saydie/exploring-the-chaos-weapons-training
Leothreads
https://alpha.leofinance.io/threads/view/saydie/re-leothreads-2nli4wdjn
Dbuzz
https://d.buzz/#/@saydie/c/igafrig1nzqdoh8xeafgyd
