[quote=supertinyking]
He quickly disarms him, with a slash from his normal knife, tearing though the tendons in his hand.
[/quote]

His past self grasps his hand. The wound appearing on his future self's hand as well "there's a reason your past self is from three minutes into the past." My voice rings out in his head "any wound you inflict on him probably wouldn't have healed in three minutes and will therefore be inflicted on you as well." My red katana is portaled in and his past self grabs it and grins