Mecha Armor
Unique Engineer Armor, 10 gold. Backpack Battles item.
Base stamina regeneration -100%. Start of battle: Gain 100 Block. 10 health regenerated or 10 Block gained: Gain 0.2 maximum stamina. Every 3s: If your stamina is below 5, gain 30 Block, otherwise, use 1 stamina to gain 3 Empower.