Game Mechanics: Outdoor Line of Sight check

[Treats]

Changes were made to Line of Sight on Live here:

Line of Sight Changes:
For spells that require Line of Sight (LoS), the LoS check is now at the beginning of the spellcast, not the end.
Spells that require but do not have of LoS will now fail immediately.
Harmful spells require LoS.
Most Beneficial spells still do not require LoS.
Bind Sight type spells do not require LoS.
Any beneficial spell containing a Cancel Magic component requires LoS.

http://www.tski.co.jp/baldio/patch/20020904.html