The Everlasting Law was actually one level higher than the Immortal Phoenix Physique. It wouldn’t make someone everlasting, just extremely difficult to defeat.[ref] With this new context, changing Myriad-tribulation Immortal Law into Everlasting Law. The word for tribulation can also means ages, so in this context, it refers to time[ref/]

Feiyun knew the power of the Immortal Phoenix Physique better than anyone. He had only created 206 phoenix bones in his previous life and it was enough for him to reach peak ninth-level Heaven’s Emergence. This allowed him to be unbeatable with immense destructive power.

Nonetheless, the Everlasting Law was still better. 

The old man had rotted heavily. Only the red liquid was keeping him together.

“The world has countless dao. All can reach immortality....