Enshula, what type of gear is Turpin wearing in that fight? I when I clicked on the non-parsed link I got a file could not be found, so I couldn't see how much of the nature was resisted. Regardless, that is an awful lot of physical damage, and lets us know that we will need to cut down on the NR quite a bit, especially without any green dragon kills.
Honestly, if you don't have ORB's (like us mainly) but have well geared tanks, you are better off using proper tanking gear with as much shiny purple NR as a luxury. Nature damage isn't the issue for the tanks, certainly in our setup. As long as your tanks are good and can swap aggro on a whim, you should never have issues with any form of NR tbh.
Really NR isnt a huge deal on the mt if your consciously using them only for the last 30%. Can also do the strat of having 15 people inside the body and the mt not getting hit by the volley to further reduce nature damage.
He took 24,234 nature damage.
58115.107913669064748201438848921 total nature damage
35 seconds so
1660 dps raw
968 dps resisted
692 dps taken from nature
that should include 1 cleanse and some volleys as well in