Lane poke dueling and early aggression.
Empowered abilities and resource manipulation
Hitting a champion with spells hurls a comet that deals adaptive damage at them. Landing more spells reduces Arcane Comet's cooldown.
Hitting enemy champions with a spell grants maximum mana.
After reaching 250 mana, Manaflow Band restores 1% of your missing mana every 5 seconds.
Gain 10% CDR when you reach level 10. Excess CDR becomes AP or AD, Adaptive.
Your first ability hit every 20s burns champions.
Durability and crowd control
After taking damage from an enemy champion, the next 3 spells or attacks you receive deal less damage.
Gain permanent health when enemy minions or monsters die near you.
Offense
+9% Attack Speed
Flex
+5 AD or 9 AP
Defense
+6 Armor or 8 MR (match-up)
Olaf's reliable slow with [W] makes your comet a consistent form of sustained poke damage during the laning phase.
Olaf can have issues with mana when spamming [Q] for poke damage so Manaflow Band helps you keep that up.
Mid game CDR on Olaf is huge for ramping your damage output with [Q] and [E].
Scorch doubles down on you laning phase [Q] poke allows you to dominate lane with constant harass.
Bone Plating's early game damage mitigation further pushes your dueling pressure in the laning phase to snowball a lead.
Overgrowth's mid-game power makes you incredibly scary to the enemy team when you've hit 2 items, able to chase down any target.