Rethymno Rocks returns stronger than ever with its fifth edition, bringing one of the most legendary bands of British Thrash Metal! ONSLAUGHT, 40 years after the release of the monumental “Power From Hell,” are coming to Crete on Friday, August 29th, 2025.

You can find the official announcement from Rethymno Rocks, right below:

Rethymno Rocks #5 welcomes Onslaught.

Exactly 40 years after the release of the iconic “Power From Hell”, Rethymno Rocks #5 welcomes British Thrash legends Onslaught. Bristol’s veterans are coming to Crete for a celebratory performance based on the cornerstone of British Thrash Metal as well as selected tracks from their entire discography. Get ready for the ultimate old school Thrash Metal party in the Fortezza Castle grounds!

Ticket sales continue at https://rethymnorocks.gr/tickets/