Knight's Vow

+400 Health
+100% Base Health Regen
+20 Armor

UNIQUE Active: Designate an allied champion as your Partner (90 second cooldown).
UNIQUE Passive: If your Partner is nearby, gain +40 additional Armor and +15% Movement Speed towards them.
UNIQUE Passive: If your Partner is nearby, heal for 12% of the damage your Partner deals to champions and redirect 12% of the damage your Partner takes from champions to you as true damage (healing and damage redirection are reduced by 50% if you are ranged).

(Champions can only be linked by one Knight's Vow at a time.)