Material Accounting Policies - Disclosure of estimated useful life or depreciation rate (Details)	12 Months Ended
Apr. 30, 2026
Computer software [Member] \| Bottom of range [Member]
Significant Accounting Policies [Line Items]
Useful life of property, plant and equipment	3
Computer software [Member] \| Top of range [Member]
Significant Accounting Policies [Line Items]
Useful life of property, plant and equipment	4
Mining Equipment [Member] \| Bottom of range [Member]
Significant Accounting Policies [Line Items]
Useful life of property, plant and equipment	5
Mining Equipment [Member] \| Top of range [Member]
Significant Accounting Policies [Line Items]
Useful life of property, plant and equipment	15
Vehicles [Member]
Significant Accounting Policies [Line Items]
Useful life of property, plant and equipment	4

Description of useful life used for property, plant and equipment. [Refer: Property, plant and equipment]

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 16
-IssueDate 2025-01-01
-Paragraph 73
-Subparagraph c
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=16&code=ifrs-tx-2025-en-r&anchor=para_73_c&doctype=Standard
-URIDate 2025-03-27

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Note Effective 2027-01-01
-Name IFRS
-Number 19
-IssueDate 2025-01-01
-Paragraph 200
-Subparagraph c
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_200_c&doctype=Standard
-URIDate 2025-03-27

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Note Effective 2027-01-01
-Name IFRS
-Number 19
-IssueDate 2025-01-01
-Paragraph 200
-Subparagraph c
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_200_c&doctype=Standard
-URIDate 2025-03-27

Name:	ifrs-full_DescriptionOfUsefulLifePropertyPlantAndEquipment
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration