Speculated NA localizations of quest names -

Lv. 30 - The Dark Knight Returns
Lv. 35 - The Dark Knight Rises
Lv. 40 - Ishgard Asylum
Lv. 45 - The Hero They Need
Lv. 50 - The Hero They Deserve
LV. 50 - A Relic Reborn (Grapnel)