Struggling to beat the nightmare campaign boss? stick in a paragon. FYI, it can be done with a 3 star ;) you just need a hard hitting secondary : r/ RaidShadowLegends
RAID: Shadow Legends - How To Get Champions (Every Way) - Gamer Empire
Top 7 F2P Champs to Farm from Campaign!!! Raid Shadow Legends - YouTube
Raid Shadow Legends Guide: Gameplay Basics
The *BEST* RARE ~Campaign Farmers~ in Raid Shadow Legends! - YouTube