Magical campfires
When you stand near a lit campfire it slowly heals you, to be precise, half a heart per 40 ticks (2 seconds, configurable). you have to stand in a radius of 2 blocks in each direction for it to detect and heal you!
Plugin is currently without a public source, if you want, I give you permission to decompile it, but don't redistribute! I will add a source later (unless I forget) Source code was added!