The dark castle loomed above the Valley of Holiness where hermits and prophets had pitched their tents. Dearil peered down until he saw him: a tall, painfully thin figure in worn-out dungarees walking with a restrained swagger. 

Can You Tell a Story in … 37 Words including prophet, dungarees, castle, and swagger

Suggestions:
Read A Connecticut Yankee in King Arthur’s Court by Mark Twain.
Read Reaper Man and Mort by Terry Pratchett.

Dearil is a name of Scottish or German origin, meaning “call of death”.