I have question - can i deny spell cast in some area xD ?
Yes, use the disables
table: http://collab.kpsn.org/display/tc/disables
@SPELL := XXX;
DELETE FROM `disables` WHERE `sourceType` = 0 AND `entry` = @SPELL;
INSERT INTO `disables` (`sourceType`, `entry`, `flags`, `params_0`, `params_1`, `comment`) VALUES
(0, @SPELL, 1+2+4+32, "", "areaid", "Disable spell X in area Y");