Bom porem sobre isto eu estou com ele e quando eu vou adicionar essa tabela no database  
 
ALTER TABLE `guild_kills`
 ADD CONSTRAINT `guild_kills_ibfk_1` FOREIGEN KEY (`war_id`) REFERENCES `guild_wars` (`id`) ON DELETE CASCADE,
 ADD CONSTRAINT `guild_kills_ibfk_2` FOREIGEN KEY (`death_id`) REFERENCES `player_deaths` (`id`) ON DELETE CASCADE,
 ADD CONSTRAINT `guild_kills_ibfk_3` FOREIGEN KEY (`guild_id`) REFERENCES `guilds` (`id`) ON DELETE CASCADE;
 ele nao adiciona Por que sera?