Well, put into perspective he has no 'Upper' limit to the amount of biomass he can hold. However, increased biomass means increased density. So it is more so only limited to how much weight he can ''Offset'' without leaving footprints wherever he goes.
thx for the chapter
I have a question, shouldn't he be able to replicate any quirk as long as he consumes a drop of blood? Since his body will absorb the DNA and replicate it across all of his biomass.