Dota 2 7.00: Sentry Wards no longer purchased in pairs

Created by RogerDodger on 2016-12-11; known on 2016-12-11; judged wrong by RogerDodger on 2016-12-11.

• RogerDodger estimated 30% on 2016-12-11
• RogerDodger   judged this prediction wrong on 2016-12-11.