(all once per battle if intel effect active)
Intelligence:
Crisp Blue Tunic - 100 HP drain (>750i)
Heavy Blue Tunic - Freeze (>1,000i)
Short Sleeved Yellow Tunic - 75 HP heal (>500i)
Movement:
Heavy Robe of Thievery - Steal (>200m)
There are a few more intel-sensitive weapons, but they're pretty shit.