Guild Wars 2

Aegis blocks and is then removed. If you hit somebody with a one-shot ability, and they have aegis on, the ability will be blocked.

Just hit them with something else first if they have aegis on, or just hit them anyway if you don’t feel like scanning their boons list for the symbol.

It’s sad that it has one of the longest cast time for any professions. 1 and 1/4 second long cast time.