DRK ability Unleash does not consume Blood Weapon

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Date & Time: 2023-10-05 23:11
Frequency: Always
World name: Hyperion
Character name: Hyuna Snowcookie
Class/Level: Dark Knight lvl 90
Party or solo: party and solo
In-game time: 7:17
Area and coordinates: The Lunar Subterrane
Steps:
1. Set job to Dark Knight
2. Go to a striking dummy or enter a duty (such as a dungeon)
3. Use Blood Weapon followed by Unleash
4. Blood Weapon stacks are not consumed but MP is restored

Can confirm it is not only on your character/server/DC.
Had the same thing happen on my character on Cerberus.
It doesn't appear to be level dependant either. Happens both at level 90 and 37 and in any area.