Senna

Arena changes

• I: New Effect: Gains 7.5 Mist stacks per round.
• I: Senna's excess critical strike chance from Mist and items is converted to life steal, which means it does not affect Sword of the Divine Exorciate.2
• I: The global Arena Stat Adjustments buff does not convert Senna's excess critical strike chance to adaptive force.
• Q: Heal AP ratio changed to 80% AP.
• Q: Slow AP ratio changed to 15% per 100 AP.
• E: Movement speed AP ratio changed to 7% per 100 AP.
• R: Shield AP ratio changed to 70% AP.²

Senna's Guest of Honor opens three portals to the Death Realm. Anyone can enter through a portal and return to the living realm through any portal there.³

• Senna's gates can stand between the top and bottom areas, leaving no way between them for a character without a dash except through a gate.⁴
• Senna's Guest of Honor adds another way to fight.⁵
• Center of the Universe stars damage enemies while they are in the Death Realm.⁶

• A Death Realm effect can leave a player stuck there without portals to return through.⁷
• Senna's passive critical strike chance and life steal do not work with many critical strike augments.⁸

Earlier formats

• Excess critical strike chance from Senna's passive interacted with Sword of the Divine by adding to her passive instead of granting uncapped critical strike chance.¹¹ 8x2 duos
• Draw Your Sword could give Senna the range bonus for melee champions while treating later effects as melee; Senna's attacks bypassed Yasuo's Wind Wall, which could block melee attacks from Draw Your Sword.^12131415 8x2 duos