Three legends of metal will unite in 2021 as Behemoth, Arch Enemy and Carcass will tour together. The tour, dubbed “The European Siege” will take place in Europe in the fall of 2021. Direct support will come from Unto Others, formerly know as Idle Hands. Tickets for all European shows will go on sale this Wednesday at 10am CET, with European shows following on Friday at 9am GMT.