BB:Endless Nightmare 2
From Unofficial QEdit Wiki Guide
ID/Name 109 | Endless Nightmare #2 Information Mission: Exterminate all monsters in a cave on Ragol. Description Client: soldier Quest: Monsters seem to be constantly regenerating in one area of the caves. Exterminate them. Reward: ??? Meseta Episode I > Normal > Extermination
Official translation. File originally provided with a default Tethealla implementation.
No # character in page name as it doesn't behave nicely on MediaWiki.
quest109_e.qst (Official English translation)