Diana

Diana is an AP assassin in the mid, and on patch 16.11 they grade out as a top-tier pick — a 53.5% win rate, 4.4% pick rate, 51,947 ranked games sampled. On the power curve, Diana spikes hardest in the mid game around the two-to-three-item mark — that is the window to force fights and objectives.

How Diana wins: grouped 5-v-5 teamfights, where Diana tips the fight, and landing engage and starting fights on Diana's terms. The kit grades 9/10 teamfighting, 8/10 engage, 7/10 waveclear. Diana grades low on split-push and siege (3/10, 2/10), so don't take fights that turn on those dimensions.

The most-played core build is Stormsurge, Shadowflame, Zhonya's Hourglass, which holds a 53.4% win rate across 5,680 games this patch. Pick the enemy team to adapt each item slot to the specific matchup.

The matchup to respect is Sion, where Diana sits at just 43.5%, the lane swings the other way into Heimerdinger (59.8%), and on the team side, Diana gains the most from a Twisted Fate (+9.8% pair win rate).