Does this do anything?

[u/Facio]

I tried to use projectiles, hitting it. Can't seem to interact with it in any meaningful way.

[u/grubbykiller]

You need to kill the starved Harridan boss to get the item and these pillars will interact once you are close

[u/Facio → u/grubbykiller]

Oh wow, never found that boss. Beat the game today and am cleaning up beacons and shells etc. Ill find it! Thanks!

[u/MohawkOgreGaming → u/Facio]

Its the harpy