Unlike the other methods, the path to unlocking fighters in Adventure Mode can be the most rigorous and time-consuming.
Master Spirits: Activities and Shopping - Super Smash Bros. Ultimate Guide - IGN
How to Unlock All Characters in Smash Bros. Ultimate - Super Smash Bros. Ultimate Guide - IGN
Sacred Land - Super Smash Bros. Ultimate Guide - IGN
Characters and Roster - Super Smash Bros. Ultimate Guide - IGN, smash
Characters and Roster - Super Smash Bros. Ultimate Guide - IGN, smash
Starting Area - Super Smash Bros. Ultimate Guide - IGN
Smash Bros Ultimate: Guide To Unlocking Characters
How to Get the True Ending - Super Smash Bros. Ultimate Guide - IGN
Smash Ultimate guide: Every World of Light character location with maps - Polygon