Talk:Trundle/@comment-96.255.48.194-20120404184814/@comment-70.190.1.94-20120404211825

math for level 5 W plus merc treads is 1- ((1-.4) x (1-.35)), giving you 61% tenacity.

To simplify/explain that, 40% tenacity from W leaves their CC 60% effective. 35% from Merc Treads (alone) would leave the CC 65% effective. 60% times 65% is 39% effective, giving you 61% tenacity.