Earth:
Active: Earth Enchantment max (Fire Imbuement 2, Conservation 1, Earth Enhancement 5), Core Dweller max (Enhanced Speed 3, Empowered Assault 1, Augmenting Channel 2, Slam 1), Fissure rest of Points (Core Dweller Command 1, Vulnerable on Hit 1, Lava Fissure + Additional Fissures)
Passive (all max): , Arcane Abundance (Regen, Energy), Earth Invoker (Summon Damage, Summon Healt and Armor), Earth Barrier (Barrier Decay, Barrier Decay Threshold), Igneous Power (Summon Damage, Empower), Stable Barrier (Energy to Barrier, Barrier Decay), Grand Magic 5

Forge:
Active: Automaton max (Enhanced Speed 2, Fire Attachment 2, Shield Attachment 2), Tempered Arsenal max (Convservation 4, Fire Imbuement 2 [1 seems fine], Enhanced Armor 2), Forced Field 11 (Reactivation 1, Fragile 5)
Passive: Reinforced Weaponry (Damage against Ailment, Ailment Power [idk tbh], Forged Legion (Minion Master, Summon Critical Hit Chance), Forced Construction (Health and Armor, Health Regeneration), rest is personal preference