[Mate 8 Q&A, Help & Troubleshooting] xLima:
Solved - Sort of...

RECOVERED from Soft Brick with the DC_Phoenix software (EUR 15.00)

Only thing available to me before brick was Bootloader

No Recovery

No eRecovery (Huawei 3 button press or Vol Up for 3 seconds on Prompt

Maybe this helps someone, these are the files that were used, with this following Stock ROM:

NXT-L09C605B100 from the XDA Stock Rom post.

I erased IMEI, SN, Directories from Code.

Current version: NextL09C999B100
Extracting partitions
Cannot create extract directory: D:\X\DC_Phoenix\tmp\20160804_104858_UPDATE\
Extract files to directory: D:\X\Extracting partition: XLOADER OK
Extracting partition: FW_LPM3 OK
Extracting partition: FASTBOOT OK
Extracting partition: MODEMNVM_UPDATE OK
Extracting partition: TEEOS OK
Extracting partition: TRUSTFIRMWARE OK
Extracting partition: SENSORHUB OK
Extracting partition: FW_HIFI OK
Extracting partition: BOOT OK
Extracting partition: RECOVERY OK
Extracting partition: RECOVERY2 OK
Extracting partition: DTS OK
Extracting partition: MODEM OK
Extracting partition: MODEM_DSP OK
Extracting partition: 3RDMODEM OK
Extracting partition: SYSTEM OK
Extracting partition: CUST OK
Extracting partition: MODEM_DTB OK

Device found: AXXXXXXXXXXXXXXXX6

IMEI: 8XXXXXXXXXXXXXXXX7
Build number: :NXT-L09C605B100
Product model: HUAWEI NXT-L09

Writing XLOADER partition with file D:\X\DC_Phoenix\XLOADER.img
XLOADER partition UPDATE ...FAILED
Cannot get FBlock info from device
Activating backdoor: DONE

Writing XLOADER partition with file D:\X\DC_Phoenix\XLOADER.img
XLOADER partition UPDATE ...OK

Writing FW_LPM3 partition with file D:\UX\DC_Phoenix\FW_LPM3.img
FW_LPM3 partition UPDATE ...OK

Writing FASTBOOT partition with file D:\X\DC_Phoenix\FASTBOOT.img
FASTBOOT partition UPDATE ...OK

Writing MODEMNVM_UPDATE partition with file D:\X\MODEMNVM_UPDATE.img
MODEMNVM_UPDATE partition UPDATE ...OK

Writing TEEOS partition with file D:\X\DC_Phoenix\TEEOS.img
TEEOS partition UPDATE ...OK

Writing TRUSTFIRMWARE partition with file D:\X\DC_Phoenix\TRUSTFIRMWARE.img
TRUSTFIRMWARE partition UPDATE ...OK

Writing SENSORHUB partition with file D:\X\DC_Phoenix\SENSORHUB.img
SENSORHUB partition UPDATE ...OK

Writing FW_HIFI partition with file D:\X\DC_Phoenix\FW_HIFI.img
FW_HIFI partition UPDATE ...OK

Writing BOOT partition with file D:\X\DC_Phoenix\BOOT.img
BOOT partition UPDATE ...OK

Writing RECOVERY partition with file D:\X\DC_Phoenix\RECOVERY.img
RECOVERY partition UPDATE ...OK

Writing RECOVERY2 partition with file D:\X\DC_Phoenix\RECOVERY2.img
RECOVERY2 partition UPDATE ...OK

Writing DTS partition with file D:\X\DC_Phoenix\DTS.img
DTS partition UPDATE ...OK

Writing MODEM partition with file D:\X\DC_Phoenix\MODEM.img
MODEM partition UPDATE ...OK

Writing MODEM_DSP partition with file D:\X\DC_Phoenix\MODEM_DSP.img
MODEM_DSP partition UPDATE ...OK

Writing 3RDMODEM partition with file D:\X\DC_Phoenix\3RDMODEM.img
3RDMODEM partition UPDATE ...OK

Writing SYSTEM partition with file D:\X\DC_Phoenix\SYSTEM.img
SYSTEM partition UPDATE ...OK

Erasing CUST partition
Partition CUST erased

Writing CUST partition with file D:\X\DC_Phoenix\CUST.img
CUST partition UPDATE ...OK

Writing MODEM_DTB partition with file D:\X\DC_Phoenix\MODEM_DTB.img
MODEM_DTB partition UPDATE ...OK
Software written
8/4/2016 10:56:16 AM Writing device finished OK