Kikori no Isekai Tan ~Tensei shita Shounen wa, Ono 1-pon de Nariagaru~ - Vol. 4 Ch. 16 - The Defense City Niergen

[MangaDex]

 

[Derpthenerd]

how the hell is a goblin stampede a big threat
it's a fortified city, just prepare for a defense battle against dumb humans with swords at best

 

[PLaci1982]

Joined spread of pages 16-17:

Joined spread of pages 32-33:

(Both lossy JPG due to imgur.)