Basis of Presentation (Details) - Schedule of derivative financial instruments measured at fair value on a recurring basis - USD ($)	9 Months Ended	12 Months Ended
	Apr. 30, 2022	Jul. 31, 2021
Schedule of derivative financial instruments measured at fair value on a recurring basis [Abstract]
Beginning balance	$ 16,773,383	$ 606,123
Derivative from new convertible promissory notes recorded as debt discount	60,292	6,820,108
Derivative liability resolved to additional paid in capital due to payoff of convertible debt	(76,134)	(588,097)
Derivative gain (Loss)	(7,835,441)	9,935,249
Ending balance	$ 8,922,100	$ 16,773,383