I've tried running the same mods in that list on a multiplayer server and I can't really seem to replicate your issue with the resetting problem, https://i.imgur.com/671AKAk.png is me spamming powders every half second as another account is watching it but no problems that I can see)

Do you have similar NetMode results as in the screenshot I posted? Also does this happen with all pylons or just a few specific ones?

I only saw netmode 1 being shown in the debug log. And it was doing it with the forest pylon and the universal pylon. I have not tested the others as I don't have npcs in the biomes needed to buy those pylons currently.

I'll do another test when I get home, and taking screenshots of what I see and what my other player sees.

This can be closed I guess. We both verified our game files, nothing go re-downloaded, but it works now. Hell if I know what happened

On second thought, it works like, intermittently? It's hard to describe. I was able to clear out a bunch of 1 crimson biome, but then it couldn't find the other blocks when I placed the pylon down elsewhere and made sure it was active, just said it scanned over 10k blocks but found 0 evil ones even though it was on evil blocks.

It seems it just takes a moment, even tho it says it scanned it once and found nothing, it'll scan it again? and this time pick up on the evil blocks.

So it does work as intended, I apologize for the fuss!

One more question tho, in hard mode is it supposed to be slower to cleanse the area it's protecting? Like, I put some down near the hallowed and crimson areas that sprouted up after defeating the WoF and they'll cleanse, but at a snails pace it seems. This is with the settings set to be as quick as they can go.

If you set it to the lowest settings that's about as fast as it'll go as any faster and usually it crashes the server, there should be no issues when running at the default speed settings.

When I say snails pace, what I mean is like.. it seems it'll cleanse one spot of it like every.. 5 seconds? As opposed to before hard mode it would go at a rapid fire pace when the delays and such were turned all the way down.

i cant use the powder it uses normaly instead of upgrading the aurora thing

I have this problem but slightly different, if i stop putting in power it resets