Here are the datamined class changes for The War Within Build #3 including the new hero talent trees!
Arcane Mage has some talent tree reworks
New Talents:
Arcane Battery: Consuming Clearcasting grants increased spell damage by 1%/2% for 25 sec, stacking up to 5%/10%.
Energized Famliar: During Time Warp or other similar effects, your Familiar fires 4 bolts instead of 1. Damage from your Arcane Familiar has a small chance to grant you up to 2% of your maximum mana.
Eureka: When a spell consumes Clearcasting, its damage is increased by 25%.
Improved Touch of the Magi: Your Touch of the Magi now accumulates 25% of the damage you deal.
Leydrinker: Every 6 times you consume Nether Precision, your next Arcane Blast echoes, repeating its damage at 25% effectiveness to the primary target and up to two nearby enemies.
Leysight: Nether Precision damage bonus increased to 30%.
Magi's Spark: Your Touch of the Magi now also conjures a spark, increasing the damage dealt by your next Arcane Barrage, Arcane Blast, and Arcane Missiles by 25%. Upon receiving damage from all three spells, the spark explodes, dealing Arcane damage to all nearby enemies.
Nether Munitions: When your Magi's Spark or your Improved Touch of the Magi detonates, it increases the damage all affected targets take from you by 8% for 12 sec.
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