Teamfight Tactics’ latest free update, K.O. Coliseum, has arrived on PC and mobile, plunging players into an anime‑inspired fighting tournament billed as the “ultimate battle of the century.” After a two‑week trial on the Public Beta Environment, the 15th TFT set is now live on global servers, offering new mechanics, cosmetics and a fresh competitive circuit.

K.O. Coliseum transports eight‑player auto‑battler action into Whisker’s ultimate fighting arena, where magic girls, Shonen warriors and a Mighty Mech clash in no‑holds‑barred combat. Champions are drawn from thematic origins—Star Guardians, Soul Fighters, Battle Academia and more—allowing players to assemble dream teams of anime legends. A new set mechanic, Power Ups, lets anyone turn a champion into a super‑powered force. By feeding a unit a Power Snax, players unlock customizable enhancements that can later be removed and applied to another champion.

Riot Games has overhauled unit roles to sharpen each champion’s identity and introduce novel gameplay interactions. Tanks, for example, now generate five mana per attack and produce additional mana when targeted, reinforcing their frontline responsibilities. Other roles have been tweaked to clarify power spikes and foster strategic counterplay throughout the course of a match.

Esports Expansion

Alongside the update, Riot is rolling out the TFT Pro Circuit (TPC), its new tier‑one tournament series. Beginning in August, each of the four regions will host three events, leading to an August 29 showcase featuring 32 Tier 1 pros who qualified through the Cyber City tournament. This launch adds a premier competitive layer above existing structures and offers spectators a chance to watch top‑level play live.

Meanwhile, the annual TFT Open returns this fall to Paris’ Porte de Versailles with a record 768 competitor slots—50% more than last year’s field. Competitor pass presales begin Sept. 8, with full pricing and details on Aug. 20. The Open will feature an Artist Alley celebrating community creators, developer panels, co‑streamer meet‑ups and a Day Two 4v4 side event for players eliminated on Day One, complete with its own prize pool.

New cosmetics hit the in‑game shop today, including Chibi Spirit Blossom Lillia, Prestige Chibi Spirit Blossom Ahri and High Noon Thresh Unbound, plus The Veiled Village Arena. Portal Skins such as Spirit Springs, God Weapon and Portal of the First Star deliver animated entry effects that capture each champion’s theme.

The cinematic trailer for K.O. Coliseum features the track “FIGHTER!!” by anime music artist ASCA, while a Dev Drop video offers developer insights into set design, champion balance and the Power Ups system. Both videos are available now on TFT’s official channels.

K.O. Coliseum will run for roughly four months, during which Riot plans seasonal event passes and balance updates. The developer encourages both newcomers and veterans to dive in, build inventive comps and fight their way to the top in one of TFT’s most ambitious sets yet.

Launched in 2019, Teamfight Tactics is a free‑to‑play auto‑battler on PC and mobile that has attracted over 300 million players worldwide. It regularly rotates through three themed sets per year and supports a vibrant esports ecosystem, including regional qualifiers, the Tactician’s Crown finals and the annual TFT Open.