BLU Magic Hammer MP gain doesn't coincide with tooltip

https://i.imgur.com/vK7Rgcg.jpg

According to the tooltip, Magic Hammer should restore 10% of your max MP for every mob hit. The spell always recover 1000 MP, regardless of the amount of enemies hit.

Video footage:
https://youtu.be/tzdRUOh6fss

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Date of issue: 12/12/2019
Time of issue: 12:00 am Server Time
Frequency: Constant
World name: Leviathan
Character name: Anarth Chalivier
Retainer name: N/A
NPC name: N/A
Monster name: N/A
Class/Level: N/A
Party or solo: Solo
In-game time: N/A
Area and coordinates: N/A
Housing: N/A

Steps:
1. Gather Mobs as Blue Mage.
2. Use some MP.
3. Cast Magic Hammer.

Connection Specs
- Type of internet connection/provider: N/A
- Modem maker/model number: N/A

PC Specs (If reporting graphical errors, full PC Specs are required.)
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N/A
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