Theres a few of these.
I’ll cover non-moving one.
Gods Sightspire, Climb main rock tower, As you get to top a duo of Ghosts pop up. And points across at other sandstone tower, and chest appears.
Another south Tower of Bat, way up top, that point to small ledge, And Another not to far east of Shattered basin. (south of wall, if you happen climb one rock face, Ghost will point to a chest alone Basin Wall.
Sliding ones Incur so far in Snow Area. 2 Along Western Snow mountains, One is not to far south of Lore stone. You have to be pretty far up. But you’ll catch two pointing ghosts, and a chest will be sliding down rock face. Another in mid mountains (past star gazers) One other who location I didn’t mark down.
There also bear at “ruins” already forgot name. If you follow ghost of bear you find one.
Also the dead corpse. Like one Riversend and east of Sanctuary ruins. Which have a swimmer who gets crossbowed and sinks. Which cause a chest to pop.
here one along newbie river, but I always forget to mark it. (who swim from south shore northward)
So far, most of them are decent, or have been fixed.
One at shattered Basin requires a elevator or stairs to quickly get down and climb up.
Godsspire last time I got it, require god mod to fall to bottom as quickly as you could and climb fast to get it.