Skirmish efficiency and teamfight utility.
Durability and crowd control
After immobilizing an enemy champion gain defenses and later deal a burst of adaptive damage around you.
After taking damage from an enemy champion, the next 3 spells or attacks you receive deal less damage.
Start the game with extra health. After 4 takedowns, consume that health for adaptive AD or AP.
Increase your Tenacity and Slow Resistance for each summoner spell on cooldown. Immediately after casting a Summoner Spell, gain a larger burst of Tenacity and Slow Resistance for a moderate duration.
30-270 health (at levels 1-18)
+5% Max CDR
+5% Summoner Spell CDR
+5% Item CDR
Get a free biscuit every 3 minutes, until 12 minutes. Biscuits heal and permanently increase your max mana.
Like Courage but with damage, Thresh can easily proc Aftershock and it adds to his kill potential if you can land the explosion.
Bone Plating is a great early lane phase rune that will empower your ability to survive poke and take early game trades.
Chrysalis' early heath empowers your ability to aggressive trades in lane post level 3 where Thresh's utility shines.
Unflinching allows you to stick to your target after [E]ing them for repeated autos and the damage needed for the kill.
Cosmic Insight is an all-around great rune choice as the CDR empowers your strong utility and the Summoner CDR grants you more safety an opportunity for Flash engages.
Biscuit Delivery's sustained mid-fight healing is great for early all-ins when you land a hook and are absorbing a lot of front-line damage.