Board Thread:Help Desk/@comment-120.149.133.163-20130331092654/@comment-65.113.115.100-20130402165255

It is possible to do this ONLY when offline ( and setting your time near christmas and summoning the Frost Legion ) or online when it is around Christmas, 17-31 Dec. ?

You can get the achievement without him and I believe he dies after the 31st. ( and will not respawn )