Phantom Warning

[Illusion] [Phantasm]
Level: [Arcane 1], [Generalist 1]
Components: [S] and [V]
Casting Time: 1 Standard action
Range: Close (25 ft. + 5 ft. per 2 CL) @{close_range} ft.
Effect: 1 creature
Duration: 1 round per CL @{cl} rounds
Saving Throw: Ego negates
Spell Resistance: Yes

Your character fills the target's thoughts with the certainty that something is about to go wrong. The target must make a Concentration check with a DC equal to 10 + your CL when the spell takes effect. For the duration, the target takes a -2 circumstance penalty to Concentration checks and must make another Concentration check against the same DC whenever they cast a spell or use an ability that requires concentration.

VTT Macro Description:
@{character_name} fills a target's thoughts with an unseen warning. The target makes a Concentration check DC [[10+@{cl}]] when the spell takes effect and whenever they cast a spell or use an ability requiring concentration. They also take a -2 circumstance penalty to Concentration checks for [[@{cl}]] rounds.