Kriss does'nt actually use mana but he still has mana. For every 100 mana he has, he gets 25 Health. For every 1 mana regen, he gains 1 health regen. Also he gains more bonuses by reaching certain mana levels.
-400 Mana : 25 Bonus AD
-650 Mana : 10% Bonus Critical Damage
-900 Mana : 25 Bonus Movement Speed
-1300 Mana : 35 Bonus Range
-2000 Mana : When Kriss kills an enemy champion, he gains 90% (capped at 90%) cooldown reduction for 2 seconds. On assists, he only gains 50% (still capped at 90% though)
Slip and Kick
COOLDOWN: 13 / 12 / 11 / 10 / 9 seconds
Active: Kriss slips between his ennemy's' legs and jump kick him in the back, pushing him for 150 units and stunning him for 0,5 seconds, then lands 200 units further. The ennemy also takes physical damage.
Kriss leaps into the air to kick his target twice. First kick deals magic damage and the second one deals the same damage as physical damage. After this skill, Kriss lands behind his target, in autoattack range.
Kriss flips above its ennemy and crushes him with a dropkick that leaves him snared for 1 second. The target takes a percentage of his maximum health as physical damage and Kriss lands behind his target.
Damage: 6 / 8 / 10 / 12 / 15(+4% AD)% of target's maximum health