It's Thanquol being Thanquol -- gaining some measure of dignity back after getting humiliated by Gotrek and Felix in their novels, as they tend to make him look like a chump. Which isn't really a good yardstick to measure Thanquol's prowess by.
But it's a good read if you've any interest in finding out more about Skaven society and what Thanquol himself is like without having to compete with a Dwarven Slayer who can 1 v 1 a Bloodthirster.
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