intropunitive

adjective

in·​tro·​pu·​ni·​tive ˌin-trə-ˈpyü-nət-iv, ˌin-ˌtrō- 

: tending to blame or to inflict punishment on the self

the direction of hostility was less intropunitive than in the neurotic group

—David MacSweeney & Denis Parr

compare extrapunitive