To infuse yourself with the Infernal Infusion, follow this step-by-step guide:

1. Have an upgraded altar with at least 4000 power available (use a Skull and Chalice to increase power)
2. Have a kettle built
3. Create Infernal Animus in the kettle
4. Draw a heart glyph with Golden Chalk
5. Around the heart glyph draw a small circle with Infernal Chalk
   
6. Around the heart glyph draw a medium circle with Infernal Chalk
   
7. Create a Death Protection Poppet and use a Taglock Kit on your Bed, then bind it to yourself
8. Stand in the inner circle, drop the Infernal Animus, check there is still 4000 power in the altar
9. Activate the heart glyph and wait for the effects
10. Get a Witches Hand and begin using the Infernal Infusion