Direct answer
Prepare items: Malicious Blood ×3 Go to the location: Prison — Kall Fimbulbringer Put the offering on the hotbar and use it on the altar. The listed quantity is consumed. Malicious Blood ×3 Summoned target: Kall Fimbulbringer
Malicious Blood → Kall Fimbulbringer · Offering

Result
Prepare items: Malicious Blood ×3 → Put the offering on the hotbar and use it on the altar. The listed quantity is consumed. Malicious Blood ×3
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