
1) Annihilator 2) Diversionist 3) Iconoclast 4) Saboteur 5) Uprooter 6) Vandal
Found on
https://www.crosswordclues.com/clue/ruiner

1) Bad person 2) Bane 3) Bane or undoer 4) Destroyer 5) He destroys 6) MacOS game 7) Melodic hardcore group 8) One who destroys 9) Perpetual bane, essentially 10) PlayStation 4 game 11) Rain, to a picnic 12) Spoiler 13) Spoiler or destroyer 14) Undoer 15) Uprooter 16) Vandal 17) Waster 18) Xbox One game
Found on
https://www.crosswordclues.com/clue/ruiner

Ruiner, released on August 16, 2005 through Nitro Records, is the second full-length album from the Massachusetts-based melodic hardcore band A Wilhelm Scream, since changing their name from Smackin` Isaiah in 2002. It received mostly very favourable reviews. ==Information== ===Release=== Ruiner has been released four times, three times on CD and....
Found on
http://en.wikipedia.org/wiki/Ruiner

• (n.) One who, or that which, ruins.
Found on
http://thinkexist.com/dictionary/meaning/ruiner/
Ru'in·er noun One who, or that which, ruins.
Found on
http://www.encyclo.co.uk/webster/R/103
No exact match found.