Phantom Signs Former Imperial Valkyries Coach bubble as Assistant Coach

Phantom has strengthened its coaching staff with a notable addition from the women’s Counter-Strike scene.

The organization announced the signing of Kamen “bubble” Kostadinov as the team’s new assistant coach.

The coach joins the mixed European roster after a highly successful stint with Imperial Valkyries, where he guided the team to a world championship title.

The move marks bubble’s return to a mixed-gender competitive environment in a new role.

The announcement was made public via X (formerly Twitter).

Phantom stated they are expanding their technical commission and expressed pleasure in welcoming bubble to the team as an assistant coach. bubble’s tenure with Imperial Valkyries ran from November 2024 to August 2025.

During this period, he led the team to three titles, with the pinnacle being a world championship victory at the ESL Impact League Season 6 Finals held in Stockholm, Sweden.

The squad also secured a second-place finish at the second edition of the Rainhas do Clutch tournament in 2024.

The year 2025 was historic for bubble and his former team.

Imperial Valkyries became the first women’s team to compete in top-tier mixed Counter-Strike events.

They participated in the BLAST Bounty Season 1, PGL Cluj-Napoca, and IEM Katowice, marking a significant moment for inclusivity in the professional scene.

bubble was with Clutchain fe during the Rainhas do Clutch.

The team finished the first women’s world championship of FERJEE in 3rd place.

bubble’s Championship Pedigree and New Challenge

bubble’s appointment brings a proven winner into the Phantom camp. His experience at the highest level of women’s Counter-Strike, combined with the groundbreaking participation in premier mixed tournaments, provides a unique perspective for the team’s development.

The coach’s track record includes navigating the pressures of a world championship final in Stockholm and competing against established mixed rosters at events like IEM Katowice. This background is expected to be valuable as Phantom looks to climb the competitive ladder.

Phantom currently holds the 61st position in the Valve ranking system. The team’s immediate focus is on the upcoming NODWIN Clutch Series 10, where they are scheduled to face G2 Ares in their opening match on Friday at 8 a.m.

• ESL Impact League Season 6 Finals champion with Imperial Valkyries
• Second-place finish at Rainhas do Clutch 2024 with Imperial Valkyries
• Third-place finish at the first FERJEE women’s world championship

The integration of bubble into the coaching structure is a clear signal of Phantom’s ambition.

The organization has assembled a roster with a mix of experienced players and emerging talent, and the addition of a coach with a world title adds depth to the support staff.

The team’s lineup features players from different backgrounds, with bubble working alongside head coach Dawid “lunAtic” Cieślak.

The collaboration between the two coaches will be crucial as the team prepares for its next competitive test.

Phantom’s Updated Roster and Coaching Staff

With bubble’s arrival, the full composition of the Phantom team is now defined.

The active lineup consists of five players, supported by a head coach, the new assistant coach, and two reserve players.

The team’s next match against G2 Ares in the NODWIN Clutch Series 10 will be the first opportunity to see the new coaching dynamic in action.

The match is scheduled for Friday at 8h, setting the stage for a competitive debut in the tournament.

The signing of bubble represents a strategic move by Phantom to leverage championship experience for their mixed roster.

His journey from a world title with Imperial Valkyries to a new role in a mixed team underscores the evolving pathways for coaching talent in Counter-Strike.

As the team prepares for the NODWIN Clutch Series 10, the match against G2 Ares will be an early indicator of the team’s potential with its reinforced technical staff.