Talk to Mancake, Bao Bros and Lil Whip is one of the Week 8 Resistance challenges in Fortnite Chapter 3 Season 2.
To reach this challenge, you must first complete Weeks 1 to 7 of this season’s Resistance challenges in Fortnite, and then establish a Device Uplink.
Talking to these characters will complete the challenge and reward you with 23k XP, which will help you unlock skins from the new Battle Pass.