

She, who has lived an uncountable amount of time, had witnessed the emotions of the beings she ended. However, she herself has not experienced them. So she became curious; "What is a heart?". Thus she asked her if it was interesting to create a world and Makina answered with a question "If you're interested, why don't you try making one of your own?". And from there, Trinia was created in order for her to understand what the heart and emotions are. 
She’s an outrageous natural airhead. 