Conversation so far:
What was Celtic Frost doing in 1985?
Celtic Frost released their album To Mega Therion
Was the album To Mega Therion by the band Celtic Frost successful?
Celtic Frost album To Mega Therion was widely praised
Did the band celtic frost receive any awards during the time they released their album To Mega therion?
Did the band Celtic Frost  release any other albums besides To Mega Therion?
Morbid Tales, Into the Pandemonium, Cold Lake, Vanity/Nemesis and Monotheist

Question: Did they go on tour?
Self-contained rewrite: Did Celtic Frost go on tour?