Where are the delve bosses?

I'm nearing depth 300 and completed many city biomes but not encountered a single delve boss yet. Where do they spawn?

They are spawning in the city biomes (Vaal Outpost, Abyssal City, Primeval Ruins) but rarely so keep delving.

You don´t need to delve deeper just sideways in the optimal depth

I'm at depth 280 and have found two so far if that is of any help to you.

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You don´t need to delve deeper just sideways in the optimal depth

The deeper you go the higher the chance of finding a boss.

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kompaniet wrote:

I'm at depth 280 and have found two so far if that is of any help to you.

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You don´t need to delve deeper just sideways in the optimal depth

The deeper you go the higher the chance of finding a boss.

Yes but you should also compare the amount of sulphite spent.

And do you really want to fight the final boss at depth 600 or smth?

I would stick to 220+ (or 270+? ilvl 83 area) and keep delving there sideways.

It´s not worth going deeper unless you have pretty tough character and full sulphite bank all the time (you´re streamer with slaves).

I think they changed it so sulphite has a maximum cost at some depth.

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kompaniet wrote:

I think they changed it so sulphite has a maximum cost at some depth.

"We will also cap the Sulphite costs per Delve past depth 1000 so that it doesn't require exponentially more map play in order to progress as you delve really deep."

It doesn´t really matter in that case.

source:

Yeah I guess I gotta stop delving down and delve sideways instead. It's kinda ridiculous how rare they are