Gems are essential for fine-tuning a Fire Mage's attributes. After reaching the Hit cap, mostly via Reforging, prioritize gems that amplify Intellect. By doing so, you will meet your Meta Gem requirement of using at least three Red Gems automatically. Try to avoid socket bonuses, unless they...
I swapped to Mage Armor and started spamming AB. It took me 25 seconds to hit 25% mana from 100% mana. I didn't use a mana gem for either, but for Arcane it equates to roughly 1 more AB, maybe 2, while for Fire it's at least 4-5. At the end of the Fire phase, you're...