When Thor previously advanced to the rank of Great Knight, he was already able to contend with some Earth Knights who had ascended through Secret Techniques. After he broke through to the Mid-stage of Great Knight, he was confident in handling even a regular Earth Knight.
Later, at the Northern Defense Line, he advanced to the Late-stage of Great Knight, elevating his power once again, enough to confront a Mid-stage Earth Knight.
Now, having broken through to the Earth Knight level, not to mention the Late-stage Earth Knight, he had enough confidence even when facing the Earth Knight Peak.
Though Sedge Spencer's power had reached the Mid-stage Earth Knight, he faced Thor and was instantly obliterated.
The two Earth Knights led by Sedge Spencer, although having reached the Late-stage Earth Knight, ultimately did not achieve the Earth Knight Peak.
In merely a moment.
