Karrie: Best build, Counters

Lightwheel Mark

Karrie's Basic Attacks and skills apply a stack of Lightwheel Mark on hit.
Once a target has 5 stacks of Lightwheel Marks, the marks will turn into a lightwheel, dealing True Damage equal to 5 (+1% Extra Physical Attack)% of the target's HP to them (only up to 300 damage against creeps).

Spinning Lightwheel

CD: 8 Mana Cost: 65

Karrie releases a sphere of surging energy in the target direction, dealing 250 (+90% Total Physical Attack) Physical Damage to enemies in its path. The sphere will stop upon hitting an enemy hero or reaching its max travel distance, continuously dealing 150 (+20% Total Physical Attack) Physical Damage to nearby enemies and slowing them by 80% for 1s.

Phantom Step

CD: 4.5 Mana Cost: 35

Karrie dashes in the target direction while throwing a lightwheel at the nearest enemy, dealing 150 (+70% Total Physical Attack) Physical Damage and applying a stack of Lightwheel Mark on them.
When in Dual Wield state, Karrie throws two lightwheels instead.

Speedy Lightwheel

CD: 35 Mana Cost: 100

Karrie enters Dual Wield state for 10s, gaining 20% Movement Speed. Each Basic Attack deals 40 (+50% Total Physical Attack) Physical Damage and throws 2 lightwheels that inherit a portion of Attack Effects.