Reincarnated in another world as a great one

Emptiness and happiness

You know,one thing that always intrigued me about mythologies on earth is that they have a creation god or tell how the world was created,and from that light and dark wind,earth,fire,water and many more elements that came to be so when I thought of creating the transmutation skill from arifureta I thought on the myths from earth and came to the conclusion 'if I can create skills then doesn't that mean that I can creat skills that normally would have been impossible to get' at such thought I decided to make a skill that embodied creation itself,even with my stats all enhance to ridiculous levels enough to make me the strongest on the world all I was able to create was a watered down version of what I wanted.
"So this is all I could make without having any equipment to help me"I say that while staring at the skill that I created.
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Creation:a skill that embodies creation(extremely low grade due to not having a higher level of existence)
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"Well it might not have been at the level that I wanted but that means if I reach a higher level of existence then I can use it...now then let's see the limit on what I can create!"I say while laughing like a mad scientist.
After a few hours,days weeks,months I honestly have no idea how long I spend inside my workshop,due to not being 100% human anymore I didn't even require sleep and as a result from spending so much time in my workshop I noted down the limit of my creation skill.
One,I can create living organism and add skills to them but I can't make them pass a certain level and I can also create artifacts/weaponry or armor with skills implemented into them of course I can't add for example infinite mp once equipped such things like that.
Two,when I tried creating a star all I made was a miniature star in my hands that had enough mana to wipe out the entire world if it ever exploded luckily I threw it into my personal dimensional space where I can use it as a battery source if I ever run out of mana.
Three,when making skills,I can't create anything that my current self can't use example would be 'space-time' since my control would be weakened due to Yog-sothoth interfering.
So with such limits I decide that if I want to have infinite mana then I'll need to create something that will be able let me have infinite mana,which is why I'm currently making  my elemental conversion which should be easy but I want to make it with the highest efficiency possible while having a good design essentially im making it into a pendant but getting it to have the design I want is extremely difficult so difficult in fact I created multiple skills just so I  get the design just right.
"Kuku"I chuckle before i start laughing madly at my creation.
"Finaaaally!after so much trouble I finally got it right...my beautiful pendant" I say that while staring at my pendant with pride and obsession .
"Now then for your name"as I think for a long time before I subconsciously apply concept magic to the pendant.
"Void...since you embody my emptiness"as I say those words with a hint of emptiness I cast appraisal on my pendant.
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A circular pendant that gives a feeling of emptiness,the name void expresses the emptiness of its creator Lilith due to this when used the user will feel empty while slowly increasing the stats alongside its effect of absorbing the surrounding elements that are converted into mp,soul bound to Lilith.
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As I put on my pendant I feel it resonate with my soul while giving me a sense of emptiness making me hold it near my heart as I shed tears before thinking back on what I have and those precious to me making me let out a smile dissipating the empty feeling for the time being.
As that happens I sense someone in the room making me turn around and seeing Tiamat look at me with curious gaze that cary a hint of sadness.
"Anything you need Tiamat?"At my question she looks at me before taking a deep breath.
"Why were you crying onee-chan?"she ask me with worry in her voice.
"..."as I was thinking on what to say Tiamat looks at me with tears in her eyes.
"Did Tiamat do something wrong?"she asks sounding extremely vulnerable making me feel guilty since I made my little sister cry.
"No you didn't do anything bad...it's just that I remembered something unpleasant"I say that while hugging her.
"Really"she says looking at me with hope on her eyes.
"Yes you didn't do anything bad"
"But you looked real sad"as she says that I look at her In the eyes before I tell her.
"It's because I remembered how empty and boring my life was before I met you"as i say that I kiss Tiamat on the lips before I pull back making her pout.
"That's unfair onee-chan"at her action my mouth naturally turns into a smile.
"Well that's that now  then let's go eat something"i say that while ordering Mio and Beth to make me and Tiamat something to eat.
"Yes!"she responds with a smile that conveys her happiness.
"Now I think about it how's Ariel"at my sudden question she goes into her thinking pose before answering with a happy smile.
"She's fun to play with since she's a dragon king but-"
"Hmm?"
"She's gotten submissive making playing with her boring"as she finishes I ask her a question that's been on my mind.
"How long was I in my workshop"As I say that Tiamat looks at me with a curious gaze before she answers.
"A week" I look at her in shock before I smile and start head patting her 'a week,she's gotten better at training our toys considering it took her 2 weeks to make Beth submit' I smile proudly at my little sisters progress while thinking back on the emptiness I felt while feeling happy about my new life as I silently vow to destroy anything that threatens it.