This is a paid asset, but now you can download Skill Icon RPGGAME for FREE, but please remember this package is provided only for learning purposes or to be able to test before buying the product, NOT FOR COMMERCIAL PURPOSES.
Detail this asset from Unity Store: Original Link
Skill Icon RPGGAME v1.0
Click here,if this is your favorite style,welcome to see more
Free for a limited time！
A set of 156 hand drawn Fantasy Icons Megapack.
All icons are of a high quality and implemented in a professional level. A good choice for any game in the fantasy style.
– Each icon is 128×128 pixels size (PNG);
– 156 unique icons in total;
– All ICONS can be used on skills
Hope these resources can help you, if be satisfied, give evaluation please, thank
Email me if you have any questions
Thankyou