A Teraspark of Assembly

[Teraspark]

Is this an existing staff breaking or you trying to make a new one?
If it’s the latter you probably neglected to set the spell animation for the new staff in the Spell Association Editor

Teraspark/FE8U-Fancy-Items/blob/main/Tables/Item editors/FE8 Spell Association Editor.csv#L123

Note that if you’re using the skill system staves & items have been split into a separate table here