All the ones you cited, and it's good, so:
- firm0.bin
- firm1.bin
- secret_sector.bin
- payload_stage1.bin
- payload_stage2.bin
Warning, use the ones from the `data_input_v2.zip` folder
btw i feel this a good time to remind you guys that sea of thieves was made by rare, who also made DKC1-3 and DK64, alongside banjo kazooie and conker's bad fur day