User blog comment:B214/Question and Answers 3/@comment-223.196.237.56-20140627153518/@comment-9339850-20140627200719

Because Ria's POD wasnt strong enough, or large enough i guess, to completely engulf Riser and obliterate him... not to mention Rating Games are official forms of sport therefore outright death is probably extremely forbidden and there are measures to prevent it, unless they somehow work in a deathgame feature before hand