Biwiggy stared at the diagram the professor had given them and couldn't help feeling confused by the intertwining arrows, especially as they were meant to discard the metal and wood. She got out a piece of parchment and re-drew the diagram to make it more simple.

Water overcomes fire, which generates earth, which overcomes water.

'There!' She thought to herself, 'Much easier!'

She than set to work on the plant.