The rules on pg. 196 states:
Big Creatures and Cover: Any creature with a space
larger than 5 feet (1 square) determines cover against
melee attacks slightly differently than smaller creatures
do. Such a creature can choose any square that it occupies
to determine if an opponent has cover against its melee
attacks. Similarly, when making a melee attack against
such a creature, you can pick any of the squares it occupies
to determine if it has cover against you.
However the example on pg. 194 seem to contradict this:
#3: Kyra attacks at range, and
must pick one of the corners
of her square to determine
cover. Some of these lines
pass through a solid surface,
meaning that the ogre has cover.
It looks like Kyra can easily target the top right ogre square with no penalties. what am I missing?
Also, do both characters have partial cover if they are at the corner of a wall and diagonally apart from each other?
The rules for cover against ranged attacks and cover vs. melee attacks are different. The rule applying to Seoni's attack is on p.195, right at the beginning of the "cover" paragraph.
Unless you are using a reach weapon in which case you use the rules for ranged attacks to determine cover.
Thanks. I think I got it now.
Cover for ranged attack means any part of the target even a large target is blocked by a straight line from a corner of the attackers square gives target cover.
Cover for melee attack means any part of the target is blocked by a straight line from a corner of the attackers square gives target cover. However if you have a complete square of a larger creature that you can attack with no cover then the target is not in cover.
I guess I just needed to read it three times to comprehend!