Complex sentence: He prepares to kill Paxton, however Paxton begins to vomit, where Johann takes the gag off and torments him and then accidentally cutting off two of Paxton's fingers, he unknowingly severs Paxton's restraints.
Split into simpler sentences: He prepares to kill Paxton, however Paxton begins to vomit, where Johann takes the gag off and torments him. Accidentally cutting off two of Paxton's fingers, he unknowingly severs Paxton's restraints.