Is Ellen a good character?

I started ZZZ a few months ago and I love Ellen's design and personality. I'm waiting for a reroll... and it will eventually happen in the next update, but I have a question. In terms of tier list, what is Ellen like? Is she worth the effort to get?

I started ZZZ a few months ago and I love Ellen's design and personality. I'm waiting for a reroll... and it will eventually happen in the next update, but I have a question. In terms of tier list, what is Ellen like? Is she worth the effort to get?