[Genshin Impact] Which account should I use?

Hello guys, just played 2 days ago and i tried rerolling. Which should i use? Thanks!
1st re-roll
Amos bow
Razor
Beidou
Fischl

2nd
Xiangling
Fischl
Razor

3rd
Fischl
Barbara
Xianglin

4th
Qiqi
Barbara
Xianglin
Razor

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Is the Amos now a 5star bow? If not definitely the one with Qiqi. Even then, a 5 star unit is way cooler than a 5 star weapon