Double-Dye Dragon Tournament (Rainbow, black) 8/29/17

[PatchXat]

My results so far
(*) denotes first time in tournament battle

1. Rainbow 1 - *Red Queen 4 bmb
2. Double Rainbow 2 - Atlas 8 bM
3. Triple Rainbow 2 - Pot of Gold 10 B
4. Pride 3 - Rainbow Sentinel 8 B
5. Iris 4 - Hydra 7 bM
6. Diamond Prism 4 - Infinity 10 Bb
7. Lunar Rainbow 5 - Harmony Knight 9 bB
8. Chameleon 6 - Maple 10 B
9. Lollipop 7 - Nomad 13 B
10. Rainbow Sentinel 11 - Air 15 bM
11. Tie Dye 8 - Music 10 bM
12. Splatter 10 - Splatter 10 bM
13. Nouveau 11 - Pyramid 15 bM
14. Sour Candy 13 - Air 15 bM
15. Sweet Tooth 14 - Prankster 13 B
16. Sentinel 17 - Forest 15 bM
17. Prime Chroma 15 - Imp 9 bmb (Lost Pot of Gold 10)
18. Pot of Gold 15 - Sobek 8 bM
19. Supreme 16 - Harmony Knight 9 Mb
20. Rainbow Rose 19 - Thoughtful 11 bM
21. Tropic Tide 14 - Mithril 12 bB
22. Chroma 15
23. Berserker 20
24. Glimmer 18
25. Fluorescent 18
26. Stellar Aurora 19
27. Jungle Queen 19
28. Feathered 20
29. Warrior Queen 20
30. Wreath 20
31. Aerialist 20
32. Rainbow End 20
33. Prism 20
34. Glasswing 20
35. Pokey 20
36. Double-Dye 20

What does the bold print denote? I'm stuck on one of them and wondering if it meant something. Thanks!

[starship412]

What does the bold print denote? I'm stuck on one of them and wondering if it meant something. Thanks!

Bold denotes champion dragons and the prize dragon.

[PatchXat]

Bold denotes champion dragons and the prize dragon.

Thank you!