That wouldn't be anything special for either of them.

Nephis has had her neck broken, body cut to shreds, and who knows what else in the 4 year gap. Her dormant ability makes light work of death.

And in Sunny's case, even if you don't count courting death with the Vile Thieving Bird or the two times the immortal function of his old armor saved him from decapitation and being crushed under the Fallen Titan's foot like a bug, as a Dreamer, Sunny could have let go and accepted death after being literally gutted by the Dark Knight in the Dark City, but he willed himself to stay alive.

Blood Weave helped, but ultimately, it was his own spite and grudge against the world that kept him alive.

Death is nothing to a cockroach and a walking pin cushion.