Spear of the Fearless, enemies spawning in the ground/surroundings

Date & Time: 26/8/2018, 9:26 AM GMT+2
Frequency: Always upon activation of the spawn on location.
World name: Balmung
Character name: Fionn Tayuun
Retainer name: N/A
NPC name: Yarzon Nest
Monster name: Riverbank Yarzon
Class/Level: Level 15 Lancer
Party or solo: Solo
In-game time: N/A
Area and coordinates: Central Shroud, X: 26.7 Y: 18.2
Housing:
Steps:
1. Target Yarzon nest at X: 26.7 Y: 18.2
2. Use the item: Sack of Foul-smelling bait on the Yarzon Nest
3. One Riverbank Yarzon spawns above ground, the other below ground.

*Add more steps if necessary

Connection Specs
- Type of internet connection/provider: N/A
- Modem maker/model number: N/A

Pictures below show Step 1 and Step 3
https://i.imgur.com/A4vXNtO.jpg
https://i.imgur.com/o48n34Z.jpg