Best way to upgrade your heroes | Doomsday: Last survivors

#doomsdaylastsurvivors Video explaining how to use your badges and get your hero lvl 10 to 4 stars!!! Update: I just realized I said a mistake in the video. The 48% is the experience % of the rank you will achieve with the badges. The chance of critical with 3 badges M is actually written underneath and it's 75% chance How to Subscribe:    / @fengaming1   Website: https://fen-gaming.com/ Affiliate link if you want to help the channel and make money online! https://bit.ly/3W9NhxY https://amzn.to/48EowwZ