I have listed all the Arcs of the original FairyTail. Although I will not write through all the arcs I will try to add as many as I can but the important ones are definitely there. If you want some specific arcs please do tell me in the chapter or fanfic review. Thank you.
1. Zerø arc
2. Macao arc
3. Daybreak arc
4. Eisenwald arc
5. Sub-Zero Emperor Lyon arc
6. Phantom Lord arc
7. Loke arc
8. Tower of Heaven arc
9. The Battle of Fairy Tail arc
10. Oración Seis arc
11. Daphne arc
12. Edolas arc
13. Tenrou Island arc
14. X791 arc
15. Key of the Starry Sky arc
16. Grand Magic Games arc
17. Eclipse Celestial Spirits arc
18. Sun Village arc
19. Tartaros arc
20. Avatar arc
21. Alvarez Empire arc
22. 100 Years Quest arc