 During the NHL lockout the next season, Liles enjoyed a brief stint in the German Deutsche Eishockey Liga (DEL) for the Iserlohn Roosters, playing in 17 contests and scoring 11 points.He then returned to the Avalanche for the 2005–06 season and established himself within the Avalanche defensive corps, appearing in all 82 regular season games and finishing tied in first in goals scored by a defenseman with Rob Blake, with 14.Improving his offensive numbers in every category, Liles also set a new team record among defensemen with 14 points scored in the month of October.