This works out at 20% off if you buy two identically priced items. It will be applied to the RRP rather than sale prices. At Myer, the non-Legends class Titans Return figures are currently selling at around 30% off RRP. For example

Deluxe $19.95 (RRP $29.95) = 33% off
Voyager $34.95 (RRP $49.95) = 30% off
Leader $59.95 (RRP $89.95) = 33% off