Help: Iron Vow Remort Unlock 10 Knight remorts: Iron Vow. Description Iron Vow is a passive Knight improvement to Resolve. How It Helps - Reduces Resolve's mana cost for Knights. - Adds damage reduction while Resolve is active. - Adds shieldblock while Resolve is active. - The defensive bonuses continue growing through remort 25. See Also: knight, resolve, shield-wall