I added your suggestions, but nothing happens. I get for Flash of Light these debug output:
[D] 21:06:07 - Spell(string spellName): spellName=Holy Prism, Id found: 114165, Name found: Holy Prism, NameInGame found: Heiliges Prisma, know = True
[D] 21:06:07 - Spell(string spellName): spellName=Holy Shock, Id found: 20473, Name found: Holy Shock, NameInGame found: Heiliger Schock, know = True
[D] 21:06:07 - Spell(string spellName): spellName=Eternal Flame, Id found: 114163, Name found: Eternal Flame, NameInGame found: Ewige Flamme, know = True
[D] 21:06:07 - Spell(string spellName): spellName=Flash of Light, Id found: 19750, Name found: Flash of Light, NameInGame found: Lichtblitz, know = True
[D] 21:06:07 - Spell(string spellName): spellName=Holy Light, Id found: 82326, Name found: Holy Light, NameInGame found: Heiliges Licht, know = True
[D] 21:06:07 - Spell(string spellName): spellName=Crusader Strike, Id found: 35395, Name found: Crusader Strike, NameInGame found: Kreuzfahrerstoß, know = True
[D] 21:06:07 - Spell(string spellName): spellName=Holy Light, Id found: 82326, Name found: Holy Light, NameInGame found: Heiliges Licht, know = True
[D] 21:06:07 - Flash of Light - NeedToRun = false - condition
[D] 21:06:07 - Flash of Light - NeedToRun time to execute: 0
[D] 21:06:08 - Flash of Light - NeedToRun = false - condition
[D] 21:06:08 - Flash of Light - NeedToRun time to execute: 0
[D] 21:06:08 - Flash of Light - NeedToRun = false - condition
[D] 21:06:08 - Flash of Light - NeedToRun time to execute: 16
[D] 21:06:08 - Flash of Light - NeedToRun = false - condition
[D] 21:06:08 - Flash of Light - NeedToRun time to execute: 16
[D] 21:06:08 - Flash of Light - NeedToRun = false - condition
[D] 21:06:08 - Flash of Light - NeedToRun time to execute: 16
[D] 21:06:08 - Flash of Light - NeedToRun = false - condition
[D] 21:06:08 - Flash of Light - NeedToRun time to execute: 16
[D] 21:06:08 - Flash of Light - NeedToRun = false - condition
[D] 21:06:08 - Flash of Light - NeedToRun time to execute: 0
[D] 21:06:08 - Flash of Light - NeedToRun = false - condition