Remove the butter from the refrigerator, unwrap it, and cut it into tablespoon-sized pieces. Place aside.
Combine the spicy sauce, vinegar, Worcestershire sauce, pepper, garlic powder, and paprika in a saucepan over medium-low heat.
Allow the mixture to warm through and begin to steam, but do not allow it to boil. Stir it often.
Remove the skillet from the heat when the sauce begins to steam and just begins to boil.
Add the butter to the spicy sauce and whisk vigorously to combine as the butter melts.
As the butter melts, the sauce will cool somewhat, but it should be warm enough to thoroughly melt the butter bits.
If desired, season with a dash or two of salt.