Board Thread:Questions and Answers/@comment-31952030-20170617151059/@comment-25669516-20170622092225

Depends on your playstyle. However, since in raids the main point is to cause as much damage to the bosses as possible, it is more advisable to use "offensive" enchantments like frenzy etc. Damage absorption may save you but with damage return you can actually harm the bosses and decrease their shield points without actually hitting them.