The Battle of Champions was fought between Girnigoe Castle and a tower currently operated as a venue by what company?
Battle of Champions:  It took place at the chapel of St Tears (St Tayre) on the coast north of Wick in Caithness, between Ackergill Tower and Girnigoe Castle. Ackergill Tower:  Ackergill is currently operated as an events and wedding venue by AmaZing Venues.
AmaZing Venues