Unable to complete MSQ Rock-solid Protection. Missing key item.

Time:
Frequency: 1 time, as this is a main story quest.
World name: Behemoth
Character name: Aura Fordragon
Retainer name: N/A
NPC name: Slafborn
Monster name: N/A
Class/Level: 53
Party or solo: Solo
In-game time: N/A
Area and coordinates: Mor Dhona
Housing: N/A
Steps:
1. Took quest Rock-solid Proection
2. Completed dungeon
3. Went to turn in quest, I do not key item Belah'dian Wardstone
4. Ran dungeon two more times, did not get key item.
5. Unable to drop quest and retry.
<*Add more steps if necessary>

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RAM 16 GB

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.NET 4.6.2
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Laptop Model Name: N/A
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