Win the indicated number of battles in the Thunder Dragon's Lightning Round to unlock the corresponding bonus.

20 Rupees: 1 battle
Small Treasure (Random): 2 battles
100 Rupees: 3 battles
Piece of Heart (or 200 Rupees): 4 battles
300 Rupees: 5 battles
Rare Treasure (Random): 6 battles
500 Rupees: 7 battles
Hylian Shield: 8 battles
2,000 Rupees: 9 battles
3 Rare Treasures: 10 battles
3,000 Rupees: 11 battles
9,900 Rupees: 12 battles