Me and some friends (3 stack) played in an unrated game and was the first game ever that we can confirm we played against a radiant (confirmed by friending player, radiant 170 in NA.) We had a Brimstone that never bought a single ability an...

after second half of the game i could see enemy viper appearing on my minimap. I did not have perma vision of her as she'd often disappear, but i could see her through the minimap for a good amount of time without having any sort of vision...