PvP Damage Cap
There are separate damage caps in PvP for melee and spellcasting.
Melee Damage Cap is Tactics + Anatomy + 20% damage bonus from supplemental skills such as camping, tracking, etc.
Spell Damage Cap is Evaluating Intelligence + 10% damage bonus from supplemental skills such as camping, tracking, etc.
Supplemental Damage skills provide 40% of their PVM damage bonus in PvP.
Supplemental Damage Skills
Camping
Tracking
Forensic Evaluation
Blacksmithing (metal weapons only)
Carpentry (wooden weapons only)
Inscription (magery only, when casting from a scroll)
Fishing (spear weapons only)
Mining (maces only)
Lumberjacking (axes only)