roll: function(arg, room) {
		var bomb = arg.split(' ')[1];
		arg = arg.replace(/(bomb|BOMB)/g, '');
		if (arg.indexOf('-') === -1) {
			arg = arg.split('+');
		}
		else if (arg.indexOf('-') > -1) {
			arg = arg.split('-');
			if (arg[1]) {
				arg[1] = -1 * arg[1];
			}
		}

		if (!arg[1]) {
			arg[1] = 0;
		}
		var spl = arg[0].split('d');
		if (!spl[1] || !spl[0]) {
			if (!spl[0]) {
				spl[0] = spl[1];
			}
			var random = Math.floor(Math.random() * spl[0]) + 1;
			this.say(room, '**Roll:** ' + random);
		}
		else {
			var random = 0;
			var text = [];
			for (var i = 0; i < spl[0]; i++) {
				tarDice = Math.floor(Math.random() * spl[1]) + 1;
				random += tarDice;
				text.push(tarDice);
				if(tarDice > 6 && tarDice < 9){
					if(!bomb || toId(bomb) !== 'bomb'){
						continue;
					}
					tarDice = Math.floor(Math.random() * 8) + 1;
					random += tarDice;
					text.push('BOMB: ' + tarDice);
				}
			}

			this.say(room, (text.length < 21 ? '(Individual Rolls: ' + text.join(', ') + ')' : '') + ' **Roll:** ' + (random + arg[1] * 1));
		}
	},