I found an exploit, looked around to see if i saw it on forums and it wasnt there. So now i post for your viewing pleasure.
The BOA PVP (remove effects) trinket has resi on it that is not intended to scale with level past level 80. I find that if (your over level 80) you unequip an item that has resi, (i used my mace) -> unequip the BOA trinket -> reequip the BOA trinket -> reequip the gear you took off... your resi from the BOA scales to your level.
I noticed a difference of 188 resi at level 85.
---------- Post added at 06:39 PM ---------- Previous post was at 06:38 PM ----------
worked on a public server (Twisting Nether)