public void level() {
		level++;
		System.out.println("You are now level " + level + "!");
		String choice = "";
		while (!choice.equals("intelligence") && !choice.equals("strength")) {
			System.out.println("Increase intelligence or strength: ");
			choice = input.next().toLowerCase();
		} 
		System.out.println("Pick a new ability.");
		if (choice.equals("intelligence")) {
			printList(masterSpell);
			spell.add(masterSpell.get(input.nextInt() - 1));
			intelligence++;
			healthMax += 10;
			healthCurrent = healthMax;
		} else {
			printList(masterMelee);
			melee.add(masterMelee.get(input.nextInt() - 1));
			strength++;
			healthMax += 20;
			healthCurrent = healthMax;
		}
		
	}