Aqui las query correctas que arreglan el error de que algunas habilidades no sacan daño:
INSERT INTO `skill_proto` VALUES ('6', '±âÇ÷Ãë¸í', '1', '1', '1', '0', 'HP', '-( 3*atk + (atk + 1.5 * str)*k)*1.07', '300+150*k', '', '', '25', '-( 3*atk + (atk + 1.5 * str)*k)*1.07', '', 'ATTACK,USE_MELEE_DAMAGE', '', 'NONE', '', '', '', '', '', '', '300+150*k', '0', '0', 'MELEE', '5', '1', '0', '0');
INSERT INTO `skill_proto` VALUES ('21', '³ú°Ëµµ·¡', '1', '1', '1', '0', 'HP', '-(2*atk + (2*atk + 2*dex + 2*con + str*4)*k)*1.1', '300+180*k', '', '', '25', '-(2*atk + (2*atk + 2*dex + 2*con + str*4)*k)*1.1', '', 'ATTACK,USE_MELEE_DAMAGE', '', 'NONE', '', '', '', '', '', '', '300+180*k', '0', '0', 'MELEE', '10', '1', '0', '400');
INSERT INTO `skill_proto` VALUES ('36', 'È漶¼ö', '2', '1', '1', '0', 'HP', '-((lv*2+(atk + str*3 + dex*18)*k)*1.1)', '300+180*k', '', '', '25', '-((lv*2+(atk + str*3 + dex*18)*k)*1.1)', '', 'ATTACK,USE_MELEE_DAMAGE', '', 'NONE', '60*k', '5+25*k', '', '', '', '', '300+180*k', '0', '0', 'MELEE', '6', '0.5', '800', '0');
INSERT INTO `skill_proto` VALUES ('51', '¼¶±¤Åº', '2', '1', '1', '0', 'HP', '-((atk + (1.2*atk + number(100, 200)+dex*6+str*2)*k)*1.1)', '200+200*k', '', '', '25', '-((atk + (1.2*atk + number(100, 200)+dex*6+str*2)*k)*1.1)', '', 'ATTACK,USE_ARROW_DAMAGE', '', 'NONE', '80*k', '15+30*k', '', '', '', '', '200+200*k', '0', '0', 'NORMAL', '5', '0.5', '0', '0');
INSERT INTO `skill_proto` VALUES ('37', 'Salto doble', '2', '1', '1', '0', 'HP', '-((lv*2+(atk + str*3 + dex*17)*k)*1.2)', '320+181*k', '', '', '25', '', '', 'ATTACK,USE_MELEE_DAMAGE', '', 'NONE', '', '', '', '', '', '', '', '0', '0', 'MELEE', '6', '1', '0', '200');
INSERT INTO `skill_proto` VALUES ('141', 'ÁõÇ÷', '0', '1', '40', '0', 'NONE', '1333.3*k', '', '', '', '', '', '', null, '', 'NONE', '', '', '', '', '', '', '', '0', '0', 'NORMAL', '0', '1', '0', '0');
INSERT INTO `skill_proto` VALUES ('142', 'öÅë', '0', '1', '40', '0', 'NONE', '20*k', '', '', '', '', '', '', null, '', 'NONE', '', '', '', '', '', '', '', '0', '0', 'NORMAL', '0', '1', '0', '0');
INSERT INTO `skill_proto` VALUES ('7', '7ma', '1', '1', '1', '0', 'HP', '-( 3*atk + (atk + 1.5 * str)*k)*1.07', '300+150*k', '', '', '60', '-( 3*atk + (atk + 1.5 * str)*k)*1.07', '', 'ATTACK,USE_MELEE_DAMAGE', '', 'NONE', '', '', '', '', '', '', '', '0', '0', 'MELEE', '5', '1', '0', '0');
Por cierto alguien sabe como se llaman las skills? o como llamarlas? xD
Saludos