Created page with "{{Era|RW}} '''Skulltaker Halo 3: Cowbell''' is an achievement in ''Halo: The Master Chief Collection''. This achievement is obtained when a player finds and claims the..."
(Created page with "{{Era|RW}} '''Skulltaker Halo 3: Cowbell''' is an achievement in ''Halo: The Master Chief Collection''. This achievement is obtained when a player finds and claims the...")