<https://www.ascensiongamedev.com/topic/3471-possibility-of-multiple-skills/#comment-34940>
<http://schema.org/text>
"So you sinply want to create additionnal skills and requirements? If so use variables for exp, levels and make event ressources with conditions. \n "
<https://www.ascensiongamedev.com/topic/3471-possibility-of-multiple-skills/>