https://www.humanreligions.info/tags/asceticism.html
Human Truth Foundation pages (2):
How Does Karma Work in Hinduism, Buddhism and Jainism?: 5. Sikhism
Sikhism
Not from the Human Truth Foundation, but still relevant (1):
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Moojan Momen's 8 Pathways to Religious Experience: Categorizing Satanism: 1.5. Asceticism (2/5)
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