To "create a solid piece" in this context typically means to produce high-quality content using the game's assets or mechanics, or to develop a stable mod. Depending on your goal, here is how you can proceed: 1. Developing a High-Quality Mod
If "creating a solid piece" refers to building a powerful character run in version 1.7.9: File: The.Binding.of.Isaac.Repentance.v1.7.9.zi...
: Focus on items that received major buffs in this patch, such as Breath of Life , My Shadow , or Duct Tape (which now works on more familiars). To "create a solid piece" in this context