Champion description
Incredibly fun to play
Incredible amount of sustain
High amount of CC
Massive AoE
Fast Clear Times
Lots of ganking options
Not Buff Dependent

Squishy early game
Weak single target damage
Very immobile after ult and leap
Base Armor isn't that great
Countered by Ignite
Bad alternative skin
Quintessence, Marks, Seals and Glyphs

Quintessence of Health Regeneration
x 3

Mark of Armor Penetration
x 9

Seal of Armor
x 9

Glyph of Magic Resist
x 9
Summoner spells
Ignite
Flash
Skill order
Slot123456789101112131415161718
Cell Division Cell DivisionSkill InformationEach time Zac hits an enemy with an ability, he sheds a chunk of himself that can be reabsorbed to restore Health. Upon taking fatal damage, Zac splits into 4 bloblets that attempt to recombine. If any bloblets remain after 8 seconds, he will revive with an amount of Health depending on the Health of the surviving bloblets. Each bloblet has a percentage of Zac's maximum Health, Armor and Magic Resistance. This ability has a 5 minute cooldown.Passive
Stretching Strike Stretching StrikeSkill InformationZac extends his arms, dealing damage to nearby enemies.
Smacks enemies, dealing 70/110/150/190/230 (+0.5) Magic Damage and slowing them by 20/25/30/35/40% for 2 seconds.
14579
Unstable Matter Unstable MatterSkill InformationZac's body erupts, damaging nearby enemies.
Zac's body erupts, dealing 40/55/70/85/100 Magic Damage +4/5/6/7/8 (+0.02)% of the enemy's maximum Health as Magic Damage to all nearby enemies (Max: 200 damage against minions and monsters).
214151718
Elastic Slingshot Elastic SlingshotSkill InformationZac attaches his arms to the ground and stretches back, launching himself forward.
Charges up and launches towards a target area, knocking up enemies.
Zac faces the cursor and charges up over 0.9/1/1.1/1.2/1.3 seconds. Reactivating the ability launches him towards his target, dealing 80/130/180/230/280 (+0.7) Magic Damage to all enemies hit and knocking them back for 0.5 seconds.

Can be cancelled by moving.
38101213
Let's Bounce! Let's Bounce!Skill InformationZac launches into the air, gaining movement speed, and slams down three times, each time damaging, slowing and knocking up nearby enemies.
Zac bounces 4 times, knocking up and slowing enemies.
Each bounce deals 160/240/320 (+0.25) Magic Damage to nearby enemies, knocks them up for 1 second, and slows them by 20% for 1 second. Enemies hit more than once take half damage and are not knocked up. Zac gains an accelerating movement speed buff (20-50%) and reduces the duration of stuns, slows, taunts, fears, silences, blinds and immobilizes by 75% while active.

Zac can right-click to move and can activate Unstable Matter while in the air.
61116
Build order
Build Explanation and playstyle required.
Start items
  • x3
  • Click to Consume: Restores 150 Health over 15 seconds.
Performs well versus
Performs poorly versus