Worstgen
Topi Jerami
"The Red Line (literally translated as "Continent of Red Earth") is the world's only continent that stretches across the entire world" (from OP wiki), so literally at least continent level, if not world level.
nik87
I guess EoS Luffy stands no chance vs RL Pica-sama.
Sentinel
Spoiler alert: the same like in Dressrosa.
Steven
Still fodder