Actually, Linley was the underdog in most of the storyline...until he became a paragon
But...
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...became underdog again when, as a paragon, he encountered sovereigns who were lusting after the Overlord's 3 articles (part of a task - Linley had 2 in his possession, though these sovereigns only suspected he had one hidden away)
Of course, once he started fusing more laws as a paragon, the other paragons fell far behind, and the only challenges were from disputes with some of the sovereigns...