Lock and Load

You have a chance when you trap a target with Freezing Trap, Freezing Arrow or Frost Trap and a chance when you deal periodic damage with your Immolation Trap, Explosive Trap or Black Arrow to cause your next 2 Arcane Shot or Explosive Shot spells to trigger no cooldown, and cost no mana. This effect has a 0 sec cooldown.

Your next Arcane Shot or Explosive Shot spells trigger no cooldown, and cost no mana.