Gorosei have the most stunning set of feats in the entire series and they are portrayed as the absolute Pinnacle Level Power Houses.
The Level of CoC Lightening when they simply arrived. When has anyone's Simple Presence Generated Conqueror's Haki this big?
Gandhi Gorosei Travered an Entire Island in an instant.
They arrive on one side of the Island
Gandhi uses CoC to scan Pacifista on other side of the Island while he is loading the laser
And before he can finish firing Gandhi freezes him
Top Man shows a Conqueror's Haki Roar that literally shakes the entire Island and nearly takes out Luffy. Yes a Gorosei was about to knock out a Yonko with his Conqueror's Haki alone
Look at Big Mom's tiny Haki Roar compared to this
Worm almost Sucks an Entire Island Inside him this chapter
Its almost like even when they flex, they are threat to entire Island they are on.