If you have another
Tool,
Apparel,
Tech,
Weapon,
Ray,
Relic,
Property,
Vehicle or
Friend, this has
+150 »
+300 Damage for each.
BazaarDB automated finding: The tooltip says the damage bonus applies "for each" item of the listed types, but the auras only add the bonus once per tag category if at least one item of that type exists, not per individual item.
Confirm with Deep Mechanics.