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Yet another balance mod

It's yet another balance mod that makes changes to item pools in an attempt to make the game more dynamic and interesting.

If you try this mod please give me your feedback on how the changes make the game feel. I am open to any and all suggestions.


Afterbirth and Afterbirth+ have subjected Rebirth to a great deal of power creep. A fast start character has no problem being in a game-winning position by the end of Basement 2, whereas a weaker character might never get off the ground while slogging through alternate floors and the more unreasonable Afterbirth+ rooms. The "roulette" aspect of the game has only gotten stronger - item picks are obviously good or obviously bad, rooms are always easy or always hard, and the middle ground is rarely relevant.

Looking purely at the item side of things, I feel there are a few exacerbating factors in this:

• There are far too many items in the treasure room pool, leading to too much variance and decent items being pushed out by overpowered alternatives.
  
• Despite this, there's still a lot of overlap of certain items between pools making such items very common.
  
• Many items are redundant, boring or virtually useless, while many other items are always obvious picks (Dead Cat, Ceremonial Robes, Abaddon) or will win the game on their own (Tech X, Mom's Knife).
  
• Many items can generate large amounts of soul/black hearts (Serpent's Kiss, Maw Of The Void, the multitude of Book of Revelations-style items), giving a competent player an overinflated HP pool, allowing them to buy any and all devil items/use curse rooms without risk.

tl;dr The item pools are too swingy and don't encourage smart, interactive play.


This mod does not affect Greed mode.

• A shallower treasure room pool and more distinct other pools
  
• Less bloating of redundant, boring or inconsequential items
  
• Less availability of hard carry items that trivialise the game
  
• Less soul heart/black heart generating items with no downside to make health management more meaningful
  
• Less overabundant Guppy items due to the safe nature of the items and extreme power of the transformation
  
• A diluted Devil Room pool so it's not always the immediate obvious choice

There aren't many changes in item weighting, but a few very powerful items have been made much rarer with 1/5 weighting.
Currently some items (good and bad) aren't in any item pool. You can still get them from an Eden start or Eden's Blessing.

For full changes, see the included spoilers file or view it online here[hastebin.com].

Treasure Room: 100 items removed, 10 items added
Shop: 4 items removed, 20 items added, 1 item rarefied
Boss Room: 8 items removed, 13 items added
Devil Room: 12 items removed, 11 items added, 1 item rarefied
Angel Room: 7 items removed, 7 items added
Secret Room: 9 items removed, 33 items added (4 are rare)
Library: 1 item added
Golden Chest: 1 item removed, 14 items added, 1 item rarefied
Red Chest: 2 items removed, 18 items added
Beggar: 5 items removed, 17 items added
Demon Beggar: 1 item removed, 7 items added
Curse Room: 10 items removed, 20 items added
Key Master: 22 items added
Bomb Bum: 5 items added (2 are rare)

Please do whatever you want with this mod.