Hello,
Picture 1.
Image link: http://img822.imageshack.us/img822/6445/fheroes2screen040.png
![http://img822.imageshack.us/img822/6445/fheroes2screen040.png] (http://img822.imageshack.us/img822/6445/fheroes2screen040.png "Picture 1")
1) Ergon cannot move diagonally.
Picture 2.
Image link: http://img824.imageshack.us/img824/6580/fheroes2screen041.png
![http://img824.imageshack.us/img824/6580/fheroes2screen041.png] (http://img824.imageshack.us/img824/6580/fheroes2screen041.png "Picture 2")
2) Ergon still has movement points.
Picture 3.
Image link: http://img688.imageshack.us/img688/4025/fheroes2screen042.png
![http://img688.imageshack.us/img688/4025/fheroes2screen042.png] (http://img688.imageshack.us/img688/4025/fheroes2screen042.png "Picture 3")
3) Ergon can move horizontally (or vertically).
In this case, Ergon should be able to move diagonally.
Greetings.