General utility and engage tankiness.
Durability and crowd control
After immobilizing an enemy champion gain defenses and later deal a burst of adaptive damage around you.
Impairing the movement of an enemy champion marks them. Your allies heal when attacking champion's you've marked.
After 10 minutes gain 8 Armor and 8 Magic Resist and increase your total Armor and Magic Resist by 5%.
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.
Creative tools and rule bending
Get a free biscuit every 3 minutes, until 12 minutes. Biscuits heal and permanently increase your max mana.
+5% Max CDR
+5% Summoner Spell CDR
+5% Item CDR
Graga's kit greatly benefits from the additional resists thanks to Aftershock, with an easy way to proc it via [E] or [R].
Font of life is easily procced from most of Graga's abilities, granting your teammates extra healing in fights.
Condinition synergizes extremely well with Aftershock as Gragas' tanky build path.
The extra tenacity and slow resist is great for sticking to your target for repeated CC so that your teammates are able to easily pick up kills.
Biscuit Delivery's empowered lane sustain is important for provide pressure for early objective control.
Cosmic Insights' general utility is fantastic for Gragas' kit, empowering your ability to CC more targets more often and engage when the time is right.