The Cracked Black Crystal

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1. Talk to Rock Covered in Snow in Ice Valley I and accept the quest.
   From El Nath → Watch Out for Icy Path I → Watch Out for Icy Path II → Cold Field I → Cold Field II → Ice Valley I
2. You receive 1 × Cracked Black Crystal. Keep it in your inventory — don't sell or drop it.
3. Go to Spiruna in Old Man's House to complete the quest.
   From Orbis → Cloud Park I → Cloud Park II → Strolling Path → Cloud Park III → Cloud Park IV → Old Man's House