This is the Highest level of the IRO Skirmish league. It's a 3v3 format with teams having a maximum of 5 players. It's a group format with the top 4 advancing to the playoffs where they are playing for a prizepool.

Prize pool:
1st: £25
2nd: £15
3rd: £10

This tournament has no rank cap, although it is recommended for teams with average peak ranks of GC1 and under, to join the lower level of the IRO Summer Skirmish (Gakko)