A better idea for dungeons besides speed run.

[fusional]

First, there's no precedent for this sort of rush to the finish mentality in the entire series.

i'm pretty sure pre-tp/mana burn setups, most people actually had to push pretty hard to beat Ouryu and Bahamut v.2 as quickly and efficiently as possible, as the time allotted allowed for only minimal mistakes if you expected to recover and finish.

dynamis and limbus were a bit different since you generally weren't going out of your way to "speed run" it, but you were certainly rushing to farm as much as possible before time expired. (and one could argue that if your end goal was to farm dynamis lord or attestation NMs, you were most certainly rushing to burn through as fast as possible)