There is way too much icon on items and skills, from orbs having every single same art to potions to anything else.
There is so many solutions to this.
1. Simplest one is new tints and tilts, just tilt the icons and recolor them, add a symbol or something
2. Ask the community for help, I am sure here and there skilled artists or people who can doodle can create good enough art
3. Plenty of free art, free of license
4. Use AI, there is so much cool ai that generates art out there.
Any of those would be better than same icons repeated over and over