public int loop() {
    	altar = null;
    	if (Inventory.contains(rune.getEssence())) {
    		//log("Inventory has essence");
    		if (Bank.isOpen()) {
    			//log("Bank is open");
    			Bank.close();
    		}
    		else if (!rune.isInAltar()) {
    			//log("Not in altar");
    			altar = Objects.getNearest(rune.getRuinID());
    			if (altar != null && altar.isOnScreen()) {
    				altar.interact("Enter Myst");
    			}
    			rune.enterAltar();
    		}
    		else if (rune.isInAltar()) {
    			//log("In altar");
    			rune.craftRunes();
    		}
    	}
    	else if (!Inventory.contains(rune.getEssence())) {
    		//log("Inventory doesn't have essence");
    		if (Bank.isOpen()) {
    			if (Bank.getCount(rune.getEssence()) == 0) {
    				sleep(1000);
    				if (Bank.getCount(rune.getEssence()) == 0) {
    					return -1;
    				}
    			}
    			if (Inventory.getCount() > 0) {
    				Bank.depositAll();
    			}
    			else if (Inventory.getCount() == 0) {
    				Bank.withdraw(rune.getEssence(), 0);
    			}
    		}
    		else if (rune.isInAltar()) {
    			//log("In altar");
    			rune.leaveAltar();
    		}
    		else if (!rune.isInAltar()) {
    			//log("Not in altar");
    			if (!bank.isInBank()) {
    				//log("Not in bank");
    				rune.walkToBank();
    			}
    			else {
    				if (!Bank.isOpen()) {
    					//log("Need to open bank");
    					bank.openBank();
    				}
    			}
    		}
    	}
        return random(500, 900);
    }