Going with Szabla (polish word for saber) for now. If the official romanisation happens to be otherwise, it will be corrected in the future.
v2: So yep, she’s officially “Sabela”
Enjoy.
Links
Saber episode 24v2 script
Saber Episode 24v2 Release
Making deliberately unpopular decisions since 2019
IzuSubs 
I’ve never gotten the chance to properly thank you for working on this series for overseas fan. Thanks.
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