It's much more useful than a hard confrontation.
However, since it's his Magic Practitioner body, it can only be used to withstand the final strike of the Heavenly Tribulation. Otherwise, in his current paralyzed state, he wouldn't be able to endure even the first strike. If someone harbors ill intent and comes to assassinate him at this time, he really wouldn't have any means of resistance.
Fortunately, no one approached. It seems the cultivators of the Tidal Immortal Realm have a decent sense of integrity and won't exploit others' vulnerabilities.
If it were in the Xuantian Continent, they would have already besieged Bright Peak by now.