(No system + no heroine + may not be completely invincible)
As soon as Duanmu was taken by the system to travel to the Ultra World, the system was forcibly removed by Diga, and he was sanctioned instantly! !
Duanmu: Have a good trip.
The system is a tool for time travel and an energy provider for life evolution.
To put it bluntly, after the consciousness was wiped out by Tiga, the body was re-employed.