This is your creep spawner. Use it well!

Step One : Click the creep spawner (hotkey 2)

Step Two: Click the first button (hotkey 'q') to select which type of creep to send. Each creep is different in terms of element, cost, bounty and income.

Step Three: Click the second button (hotkey 'w') to select the number of creeps to send. The options are 1, 5, 10, 15 or 30.

Step Four: Click the third button (hotkey 'e') to select who to send the creeps to.

Step Five: Click the last button (hotkey 'r') to send the creeps.

(to be continued)