Luffy Gear 5 Barjung Gun is stronger than that attack. ( it was an sioandnsized attack that tore the sky and could be felt 1000 miles away as ststrf by Ods im Rosd to laughtale)
It is the strongest attack in the series.
Luffy is above Ancient weapon status. That iscwhy his fruit is so...
Evem if Future Sight is uselss, Luffy can still oercieve Shanks by sensing his emotions.
This is why Rayeligh said Luffy was able to tell where he is by sensing his emotions even though Rayleigh was concealing his Presence.
Luffy has special observation haki.
Luffy's obsrvation haki already...