Currently using leaderboard data from Level 100, which is still relevant when evaluating what is effective at 110. Statistics will be updated using level 110 players when Legion matures and more players are playing competitively in PvP at 110.
Fire Mage PvP Stat Priority - 7.3.5
The below Stat Priority recommendation is automatically generated through statistics from the best Fire Mage players in competitive PvP, updated frequently. Use this guide for insight on what stats the most successful PvP Fire Mage players are currently focusing on.
Crit > Haste > Mastery >= Versatility
Primary stats such as Stamina and Intellect are not included in priority as it is difficult to determine the value of them through analyzing data from PvP leaderboards. However, knowing the value of secondary stats is highly usable as the majority of enchants, gems, consumables and gear stat differentiations are focused on secondary stats.
With that being said, Intellect is very powerful and perchance rivals or surpasses the value of Crit in PvP.
79.96% of the top PvP players focus on Crit.
Critical Strike increase the chance for your spells and attacks to critically hit for additional damage and healing. As Fire, Molten Armor provides additional Crit chance. Also, Crit increases the number of instant-cast Pyroblast you receive from Heating Up -> [SPELL_PYROBLAST!] procs.
14.91% of the top PvP players focus on Haste.
Haste increases attack and spell casting speed, adds additional damage and healing to DoTsA spell or ability that does damage over time. and HoTsA spell or ability that heals over time., and reduces the GCDA universal cooldown activated by most abilities..
3.13% of the top PvP players focus on Mastery.
Mastery provides a passive bonus to your character based on your specialization. Mastery Ignite adds the IgniteDoTA spell or ability that does damage over time. to your many fire spells.
1.99% of the top PvP players focus on Versatility.
Versatility increases your damage, healing, and absorption done and decreases damage received.
Intellect increases the damage and healing done by your spells.
Stamina increases your total health.