In Genshin Impact, you need various character ascension materials to improve their stats, including damage, defence, crit rate and more to make them stronger.
If you ignore some of the spots you should still have 40-50.
The Sea Ganoderma would be one of those recent additions.
Players can drop south just to the beach, so the player is still on the island with the waypoint , collect the four seen in the picture above, then head south to the next island to collect three more on its southside beach.