after abbie left doom slayer alone he then go with chip for a walk and let chip ride on he neck 

abbie: yknow chip I kinda feel like we missed our home 

chip:mmm( yeah) 

abbie: but look like we have to live here for now 

chip: mmm(yeah)   

meanwhile at the demon side 

hell knight: ok so you saying that you befriedn some paper looking ahh dude?  

revenant: yeah mate he nice  

hell knight: alright then just asking for more detail nothing much 

doom slayer have stand up due to that he sense that the demon have  come he then grab a shotgun and point at them 

chip:mmmm?mmmmmm? ( abbie? do you think we have to save Mr doom?) 

abbie: oh yeah we probably should 

and then they both quickly go to the doom slayer and he fight a demon 

abbie:uhhh i sometime forgot that Mr slayer himself are kinda op well let just watch and remember he technique 

chip:mm (ok) 

they see how doom slayer fight he use he rage and revenge to kill them and abbie was feel like that doom slayer is like a father figure to him he love abbie but didn't express he emotion 

abbie(in he mind): ngl i feel like that mr doom was actually nice guy and wholesome guy who just having very very worse anger issues i feel like that love melike he own son yet he didn't express he emotion he was just a guy who actually understand and care for everyone even tho he action are kinda questionable but it understandable too 

after doom salyer killed all demon he walked to abbie and chip who just sit there and then he pat abbie as as sign that show that he care for him 

abbie: (:

 suddenly a portal open and they all was curious 

abbie: wait  it open again???? omg i been waiting to go back!!!  

chip:mmmmmmmm!( yeaaaahhhh i can finally see my sis!) 

 abbie: wait... what about Mr doom? 

doom slayer watching them sadly due to that he know that he both partner and son figure gonna go back to they own universe or home now 

abbie:hey... Mr doom thank you for everything....i so grateful that i go with you... don't worry about me.. i can handle myself now thank you....   

chip:mmmmmmmm( i will miss ya papa) 

doom slayer didn't say anything but he just grab something he give he own shotgun to abbie as a object that can protect him from any demon  abbie start to cry and just hug doom slayer and doom salyer hug him back and chip hug him on the back too 

abbie: good bye mr.doom.... 

chip:mmmmmmm(bye papa)  

they both go to the portal and the portal close leaving doom slayer alone in the hell he feel that they both gonna visiting him some day 

the end