After 3 years, I've decided to update this plugin:
- Code cleanup and optimization (Yeah, it was terrible)
- RGB Colors in messages
- Updated for 1.16.
- Simpler Config
- New method of getting money from config: 1. It checks if you added entity type to custom settings, 2. checks if it is a creature (not painting, etc. ...), 3. check its group (Is it Monster? Boss? ok it's passive then).

I'm thinking of again updating this plugin, so feel free to post bugs in the discussion(NOT REVIEW, PLEASE).