Cortana is a virtual assistant created by Microsoft for Windows 10, Windows 10 Mobile, Windows Phone 8.1, Invoke smart speaker, Microsoft Band, Xbox One, iOS, Android, Windows Mixed Reality, and soon Amazon Alexa.
4. Wait until they reply and you should get the skin :) HOW TO GET GREY WARWICK SKIN FOR FREE In order to get free Grey Warwick skin, you need to have at least 3 friends who have reached level 10 on your Refer-a-Friend program.
Most level-related quests and NPC quests are only available once, however, there will be a new NPC that will offer repeatable quests for high-level players. If you go to the Veteran, he will ask you to defeat Caliana Crues, Atrocs, and Archers. I think this should be easier than defeating the Black Sign.