Animated suit of heavy armor requires no strength to wear, and in fact amplifies your own.

• AC: your Int bonus, including proficiency bonus
• Strength bonus: +2 per Artificer rank

Feats

• Ablative Armor: Gain ablation 10% with one charge per Artificer rank, recharges on short rest.
• Armor Hardening: Gain Damage Reduction equal to Int bonus (including proficiency bonus)

Rank 3

• Giant Armor: Your Power Armor is large. Gain an additional +8 to Strength, +1 melee reach, and TBD