Teamfight initiation, front-line tankiness, and target aquisition.
Burst damage and target access
Add an active effect to your boots that grants a large boost of MS and causes your next attack or spell to deal bonus adaptive damage.
Deals bonus true damage to enemies with impaired movement or actions.
When your wards expire they leave behind a Ghost Poro. The ghost poro grants vision until discovered. Gain adaptative force for each ghost poro spawned.
Unique takedowns grant permanent Active Item CDR (includes Trinkets).
Creative tools and rule bending
Gain a free stopwatch. Stopwatch has a one time use Stasis active.
+5% CDR +5% Max CDR +5% Summoner Spell CDR +5% Item CDR
Offense
+9% Attack Speed
Flex
+6 Armor
Defense
+15-90 Health
Predator is fantastic on Gragas as it allows you to easily engages fights and find opening for ganks at a moments notice.
Cheap Shot is easily procced by most of Gragas' abilities, granting extra damage for that important kill.
Ghost Poro's extra bit of deep vision on invades as well as bonus stats allow you to easily snowball a lead with your high early game damage.
Ingenious Hunter is a near must have when paired with Predator as the extra item CDR lets you use your keystone more often.
The one-time stasis active from Stopwatch is pivotal in executing early tower dives that can grant your team a snowball lead.
Cosmic Insight's general utility empowers your ability to disrupt teamfights and find those perfect engages.