Nah, that is just shounen protagonist endurance and not plot armour.
ch 70 Chapter 70: The name Jin Hwechook
Anime & Comics · Fanfiction_fan
You mean rias?
ch 32 TOP 10 STRONGEST
Anime & Comics · Power_King_4153
Who is barbaric?
ch 32 TOP 10 STRONGEST
Anime & Comics · Power_King_4153
Which chapter you talking about?
What the?! There is no way this guy is Issei!!!
ch 0 2 Dragon King returning from overseas is very arrogant and unreasonable
Anime & Comics · DogLickerGods
Who is Celine?
ch 20 Chapter 19: Escalating Wars.
Anime & Comics · OmnipresenceBeing
Testing did you get this reply?
You shouldn't put multiverse level characters into DXD, and the [plot] is too predictable. The main character is too much of a self-insert and self fulfilling [character].
DxD: Multiversal Therapist
Anime & Comics · Photosphere