Ibuki “Meiy” Seki just set a new record for the highest ACS ever recorded in a professional VALORANT match, achieving an exceptional score of 509 during a game played as part of the VALORANT Champions Tour. The Japanese Duelist of DetonatioN FocusMe delivered this performance on Thursday, July 17, 2025, against ZETA DIVISION, in the opening Bo3 of VCT Pacific Stage 2.

Since joining DFM at the end of 2023, Meiy hasn’t had many days like this with his team. The team is more known for finishing at the bottom of the Pacific League standings and has rarely shone in this format, aside from a modest Top 5-6 finish during the Kickoff.

A Surprising Scenario

This record-breaking performance came during DFM’s very first match of Stage 2, breaking the previous record held by Tyson “TenZ” Ngo (478 ACS) during Masters Berlin in 2021. The match itself was quite unusual. Meiy and his teammates opened the series with a dominant 13-1 win on Haven, only to lose 1-13 on Lotus immediately afterward. It all came down to Icebox to decide the winner between the two Japanese squads.

And it was on Icebox that Meiy made history — using one of the best agents for such feats: Jett. Across the 20 rounds needed for DFM to win 13-7, Meiy racked up nearly 39 kills with just 11 deaths. On Icebox alone, he pulled off three 4K rounds, two aces, including one 6K, thanks to a Sage revive on the enemy team. These massive rounds played a key role in pushing his ACS all the way to 509 — a number that will be extremely hard to top for the rest of the competitive VALORANT scene.

What is ACS in VALORANT?

ACS, or Average Combat Score, is a performance metric in VALORANT that measures a player's impact by averaging their score across all rounds played. Points are automatically awarded based on damage dealt (1 point per damage), kills (scaled based on how many enemies are alive — 150/130/110/90/70), multi-kill bonuses (+50 per extra kill), and non-damaging assists like flash assists (25 points each).