Level Sync: 8

Boss: Yagudo Scout

Prey:  Yagudo

Kills needed for boss: 20

Notes: Follow the arrows killing all the Yagudo. The Worms will aggro you as well. 

Level Sync: 10

Boss:  Yagudo Sparrer

Prey: Yagudo

Kills needed for boss: 20

Notes:  Follow the arrows killing all the Yagudo, and bees. The worms will aggro you along the way. Two NM spawns to kill along this pathing to the boss.  

Level Sync: 12

Boss:  Yagudo Conjurer

Prey: Yagudo

Kills needed for boss: 15

Notes: Follow the arrows killing all the Yagudo, and bees. The worms will aggro you along the way. Making your way up A then dropping down D.  Afterwards simple follow to the boss

Level Sync: 16

Boss:  Yagudo Seer

Prey: Yagudo

Kills needed for boss: 15

Notes:  Follow the arrows killing all the Yagudo, and bees.  The last big room can be dangerous, I recommend following the wall as shown for safest route with least mobs together.