We've had mixed signals.
1. Bang is expecting to get killed by confronting Zeetha. https://www.girlgeniusonline.com/com...?date=20181026
2. Bang may be having second thoughts. https://www.girlgeniusonline.com/com...?date=20201002
Bang definitely knows Higgs can fight, as he spent some time with Gil and Bang during the 2.5-year mirror jump doing just that. For one example: https://www.girlgeniusonline.com/com...?date=20131125