Amazingly enough I know something about this character so I can actually answer this! *ahem*
Normally he would be invisible as per Jojo rules but during a Z-Move or a big influx of Z-power, he can in fact become visible if you so desire.
You can put a soft cap on how strong it goes, probably spitball the power and effect to something along the lines of mixing a Full Restore and a Max Revive altogether. Really heavy power, really potent and able to revive even a Legendary from KO. Anything like bringing someone from complete near-annihilation will have to be asked about before you do it just for the sake of possible story. But there's not actually a chance of saying no but a good chance of saying YES if presented with a good argument for his case!
no subject
Normally he would be invisible as per Jojo rules but during a Z-Move or a big influx of Z-power, he can in fact become visible if you so desire.
You can put a soft cap on how strong it goes, probably spitball the power and effect to something along the lines of mixing a Full Restore and a Max Revive altogether. Really heavy power, really potent and able to revive even a Legendary from KO. Anything like bringing someone from complete near-annihilation will have to be asked about before you do it just for the sake of possible story. But there's not actually a chance of saying no but a good chance of saying YES if presented with a good argument for his case!