Evenicle 2:Hero Syndrome

About
In this world, some people can use Skills to beat otherwise overwhelmingly powerful monsters. However, once they use those skills, they are more likely to succumb to illnesses. This phenomenon is known as Hero Syndrome.

Analyzing the mysterious syndrome costs 0MP and automatically treats it. Treating the relapse costs 1MP. Once you've found the right item, you can eradicate it once and for all for 1MP.