Gigelorum's Zombie effect cannot be removed

Gigelorum's Zombie (Curse) effect applied by Debilitating Spout cannot be removed by any means, including Sacrifice (under the effect of Afflatus Solace) and Benediction.

Operating System: Windows 11
ISP: AT&T Fiber
Type of Internet Connection: Fiber
Internet Connection Speed: 1000 Mbps
Date & Time: 2022-12-18 19:00 PST
Frequency: Always
Character Name: Positron
Race: Tarutaru M
World: Fenrir
Main Job: White Mage
Support Job: N/A
Area and Coordinates: Sheol: Gaol (Walk of Echoes [P])
Party or Solo: Party, 6 Members
NPC Name: N/A
Monster Name: Gigelorum
Steps:
- Use Afflatus Solace
- Fight Gigelorum until getting hit with Debilitating Spout
- Cast Sacrifice on the player afflicted with Zombie (Curse)
- Zombie (Curse) is not removed.

Do you have anything to say that this isn't intended? There have always been certain effects that can't be removed by normal means, even in some cases only when used by certain monster(s).

This is not a bug, gigelorum has always been this way, it's a mechanic of the fight.