Janna vs Senna Counter Pick

At 1,945 games on patch 16.13.1, this is one of the better-sampled support pairings in the game, and it settles at 48.5% for Janna — computed as even, marginally negative in practice. A sample that large removes most of the doubt about which way the small edge points.

Senna’s 600 attack range is the longest either champion has, 50 units past Janna’s 550, and Absolution means she extends that lead over time by freeing souls from units dying nearby. Her base statistics are the frailest on the field — 530 health, 25 armor, then 2,043 health and 93 armor at level 18 — but not being reached is the entire point of the champion. Piercing Darkness heals allies and damages enemies through a single target, so trading poke for poke never resolves.

Janna’s leverage is displacement and speed rather than damage. Last Embrace roots after a brief delay once the mist latches, and it is the ability Monsoon most usefully pre-empts by scattering the follow-up. Tailwind grants allies move speed toward Janna, which is worth more against a champion whose value collapses when the distance closes. Both are rated 7 for difficulty, and 47 base attack damage against 50 confirms there is no route through the early exchanges. Curse of the Black Mist turns nearby allies into wraiths, which further complicates the clean retreat Monsoon is meant to create.