@haoxin I'll explain by example as I understood it. Say an enemy cats a spell and it takes 5s for the incantation (starting the casting until the spell actually manifests), and you use interruption, the spell fizzles.
If you use an attack with delay, the incantation now e.g. takes 7s instead of...
@MisterXiado
You got that wrong. In decent countries you get still paid during holidays. That said, I recently learned that the 27 paid days of vacation per year in my country is still on the lower side 😕