Question: what are the quest steps for thorn?
Answer: Step 1: A Melted Hunk of Metal. Despite the burn damage, you recognize this weapon as a Thorn, a legendary weapon capable of severing Guardians from the Light. ... 
Step 2: The Essence. ... 
Step 3: The Steel. ... 
Step 4: The Binding. ... 
Step 5: Weaponize the Unknown. ... 
Step 6: Something Yet Remains.