Allow me:
1). Metapotence - I can do whatever I want no matter how impossible/illogical/unreasonable etc etc without actually having the "status" of omnipotent. I mean, I can give myself the "status of omnipotent" but I won't. I am still omnipotent though. It is also super easy to use, like just super easy. I can just "will" things and it happens. I don't need requirements for example Causality Manipulation needs to manipulate causality to do shoot an energy blast but with Metapotence, i can just shoot an energy blast without having to manipulate anything and such. It's instant. The only limits I would have are limits that I have placed on myself by myself.
2). Absolute Immortality - I see this as an insurance power with Metapotence. With it, even though I am already omnipotent without the status, doesn't mean I have a weakness. Nay! I am omnipotent through and through and this power will keep me alive no matter what so I don't have to worry about dying. I only like this power if I had another power with it. Not necessarily an omnipotent power, an average power like chi or aura manipulation or just general magic would be enough to combo them with absolute immortality so I can reach full omnipotent level over time with absolute immortality.
3). Humanity Retainment/Self-Retention - I like my humanity. I like being human and no matter how powerful I get, no matter how my body, soul and mind changes, this power allows me to retain my humanity. Not bound by it but embracing it and accepting it. I would also always retain myself and personality no matter how OP I get or what happens to me so yeah.
4). Causa Sui - I view this as a variation of autopotence (though I love and would pick Autopotence as a favorite power as well). I like how this powers allows me to be self-created, so that means I am absolutely free from any shackles of any creator and transcends my origin itself. I can create myself to my liking however I see fit. I can choose how to be reborn, where, how, when and everything. I can choose how I look like, my race, gender, any powers that I will possess upon being created and many many more. This power basically have Omni-Customization. I will be fully independent and won't need anything to exist or came from a source or something. Entities mostly exist because a parent gave birth to them or a creator created them or a reality warping object brought them into existence (like a book) but I am different! I am not given birth to by a parent nor created by another entity or exists because of a warped reality. I exist because I chose to exist on my own free will! I created myself and no one else did. (of course all of this in a fiction setting I believe in god and he created me and all).
5). Personal Nonexistence - Ok first, the name of this power is INSANELY COOL! Like dude! That name have a super badass tone to it! It is just way too cool! Imagine activating it and the narrator says it's name in a super cool and dramatic way! Man that would truly be badass! Although the name is a major factor why I like this power, I also like it because it provides an otherworldly level of stealth, invisibility, intangibility and many other stuff. Like, you could literally erase yourself from existence, not to mention you can also control it. You can make yourself nonexistent on a low level or make yourself nonexistent on such a huge scale that reality warps to make it as you never existent in the first place. Now that is SUPER SUPER COOL!!!
Honorable mention:
Fictional Lordship - I like fiction. Cartoons, Movies, Shows, Series and especially anime! I find being the lord of fiction very amazing. I can bring anything from fiction to reality and not be bound by reality. Fictional Lordship allows me to live my childhood and also allows me to travel in fictional verses. What I love more about it is it's demonstration. When I say that I mean when Altair from Re:Creator uses it. It just shows how OP it is. I just loved how she brought anime characters to real life and went to the anime worlds as well and how she herself transcended fiction and became real. I mean that is hella OP. Altair is what got me to loving that power and she is definitely one of my fav characters and I think she is very very strong and omnipotent, more than Rimuru, Anos, Hajun and many other Gods. I mean she can literally manipulate fiction and is a creator. If she can go inside anime as she did in the anime, she can just yank Venezdanuor from Anos or go to the start of the anime series and bitch slap Rimuru. No matter how strong they are be it The Presence, One Above All, Anos, Rimuru as long as they are fictional, they stand no chance to altair and Fictional Lordship. The opposite of it is like having Reality Warping as a Lordsip power so Reality Lordship or something, thats how OP it is.