What does this mod do?
After you obtain a Galaxy Sword or an Infinity weapon, special barrels start appearing in the Mines and Skull Cavern. Break them for a chance to find a Galaxy or Infinity weapon — possibly with enchantments.

How does it work?
Each day, when you enter a mine floor, there is a chance for one of these barrels to spawn. A small message will appear in the corner to let you know there is one waiting on that floor.

By default, up to 5 weapons can drop per day. The drop chance starts at 60% and increases by 5% every 20 floors, reaching 90% at floor 120. Dangerous mine variants give an additional 10% on top of that. Dropped weapons have a 50% chance for an innate enchantment and a 15% chance for a regular enchantment.

Configuration
Almost everything is configurable via Generic Mod Config Menu:

Daily weapon drop limit
Base drop chance and per-floor scaling
Which mine sections can spawn barrels (Lower Mines, Mid Mines, Upper Mines, Dangerous Mines, Skull Cavern)
Which weapons can drop and weapon type weights (bias toward swords, daggers, or hammers)
Which enchantments and innate stats can appear
Support for weapon mods - any installed mod that adds weapons is automatically detected and can be toggled on or off

If you have feedback or encounter a bug, please let me know!

Credits:
mzzyou - Chinese translation

See also:

Source Code
Smith Yourself - My other mod

Enchanted Galaxy and Infinity Weapons