The overlay functions can be expanded with any kind of logic by writing and using the fastscript optionQuote:
Hello, thanks for the effort making this.
About auto pot use, is there any way to also make it use abyss pots at different health threshold?
Thanks.
This option executes the "fastscript.pscp" file from the same folder as the Vanillatool .exe in background every x milliseconds, so in this file you could add a simple checkup that checks your HP and uses a certain item if they're below a certain point
Contact me on discord, I can write you the script there