FeenixServerProject/Archangel_2.4.3_Bugtracker — Issue #318: [Mage] Blizzard & Flamestrike castable without LoS
Author: neo2k12
Created: 2012-02-11 00:39:20+00:00
State: open

So basically, you can cast Blizzard and Flamestrike everywhere within range independent from LoS. But when you cast it somewhere where it normally would give you a LoS error, it does no damage.