Thresh

Sentence them to Death

Lane harassment and consistent damage output.

Resolve

Durability and crowd control

Aftershock

After immobilizing an enemy champion gain defenses and later deal a burst of magic damage around you.
Shield Bash

Whenever you gain a shield, your next basic attack against a champion deals bonus adaptive damage.
Second Wind

After taking damage from an enemy champion heal back some missing health over time.
Unflinching

Gain Armor and Magic Resist when receiving crowd control.

Inspiration

Creative tools and rule bending

Cosmic Insight

+18 Summoner Spell Haste
+10 Item Haste
Biscuit Delivery

Gain a free Biscuit every 2 min, until 6 min. Consuming or selling a Biscuit permanently increases your max health and restores health.

Adaptive Force

+9 Adaptive Force

Why Aftershock

Like Courage but with damage, Thresh can easily proc Aftershock and it adds to his kill potential if you can land the explosion.

Why Shield Bash

Shield Bash on Thresh allows you to output a massive amount of all-in damage after landing a [Q] and shielding yourself with [W].

Why Second Wind

Second Wind allows you to trade aggressively in lane while still shrugging off incoming damage.

Why Unflinching

Unflinching allows you to stick to your target after [E]ing them for repeated autos and the damage needed for the kill.

WhyCosmic Insight

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.

WhyBiscuit Delivery

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.