Azure Striker Gunvolt 3 credit farming no DLC

If you have DLC 2, use this method instead: • Azure Striker GUNVOLT ...
Use this method if you dont have DLC 2 (corvette), you can get 50-60k credit per run for 6m30s, maybe stage with locked room spawn mob can generate more credit. But i just test this stage only
Get those passive image pulse first:
Shiron 1* (Stage: factory - standard task)
Shiron 3* (Stage: downtown christmas - demanding task)
Xiao 1* and 3* (Stage: cyber-Kowloon - standard task)
"The Magnetic Avarice" (Stage: downtown christmas, cyber-kowloon - demanding task)
-- below is optional and help make the run smoother --
The mighty Nova 3* (Stage: sunrise palace 1 - demanding task first clear)
The Frozen Blade Tenjian (Stage: sunrise palace 1 - demanding task random reward)