[REPORTED] Rocky Cavern has wrong treasure multiplier/chest upgrade chance

[Jonathan]

Platform, device version and operating system:
Various

Screenshot or image:

What you were expecting to happen, and what actually happened:

For each rarity of room in Delves, the Treasure multiplier and Chest Upgrade chance (when converted to decimal) adds up to a certain fixed number.

Rare is 1.35, UR is 1.50, Epic is 1.65, Leg is 1.80.

This is true for every single room you can encounter in Delves, including newly-added rooms or ‘Treasure’ rooms – except for Rocky Cavern. It’s an UR, yet adds up to the combined multiplier/upgrade chance of a Rare.

(Maybe the rarity got upgraded in the development process, but the values didn’t?)

How often does this happen? When did it begin happening?

Always, since inception of Delves (or at least since the thread that I’ll quote below).

Steps to make it happen again

Play Delves.

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For context (Oct '18):

@Lissandra

I believe Rocky Cavern has the same upgrade chance and treasure multiplier as something like the rooms that give aflame or venomous to the enemy. They are rare but Rocky Cavern, an Ultra-rare, gives the same results (1.15% with a 20% upgrade chance)

@Jonathan

You’re absolutely right!

I think it’s a one-off case, though. I haven’t seen any other examples like it.

@Jonathan

I did consider the room rewards, briefly, but when I checked Rocky Cavern I didn’t think it was disproportionately better. It is higher, though!

However, for comparison, here are two other Ultra-Rare rooms with the same room reward, but the normal (higher) combined multiplier + upgrade chance:

I think this shows that Rocky Cavern is indeed an outlier, although perhaps not EXACTLY the same as a Rare room in all aspects.

Here’s another Rare room reward for overall context/as a loose comparison:

[Jonathan]

You know @Jonathan, I think I will bump this after all.

[Jonathan]

Ariana Grande - One Last Time (Lyric Video)

[Fourdottwoone]

[Snooj]

@Jonathan

For each rarity of room in Delves, the Treasure multiplier and Chest Upgrade chance (when converted to decimal) adds up to a certain fixed number.

Rare is 1.35, UR is 1.50, Epic is 1.65, Leg is 1.80.

I never noticed this. TIL. Have the devs confirmed this is always the case, or is this something the community noticed? If the latter, this isn’t necessarily a bug.

[Jonathan]

Community, I think – and I agree, but it seems like a bug, and we’ll never know if we don’t ask ¯_(ツ)_/¯

It’s also literally the only exception, with no redeeming qualities.