Below is a walkthrough for the Level 25 side quest called The Second Verse in Horizon Forbidden West. To obtain this quest, speak with Zo in the Base after completing the Cradle of Echoes main quest.
Go to the Meeting Place
Travel to the Campfire north of the Maw of the Arena near the Vista Point Tower then call Zo using the focus.
Go to the Grimhorn Site
Follow the road north.
Kill the machines
Defeat the enemies.
Gather Grimhorn Cores
Loot the 2 Grimhorns to retrieve their cores.
Give the Cores to Zo
Speak with Zo nearby.
Talk with Zo at the Base
Return to the Base and speak with Zo.
Install the Reboot Code on the Land-Gods
Travel north of the Base past the High Turning outpost to find the Land-God Do trapped in some vines. To free it, use the Vine Cutter. For the Land-God So, travel east of the Base to the objective at the Shrine at the Lake. The Land-God is submerged underwater. Clear the debris by prying it off. For the Land-God, travel to the Shrine at Cinnabar Sands, which is south of Plainsong. Once you get there, examine the bodies near the altar. Head southwest of the shrine to find the Land-God Ti under a giant rock. Defeat the machines here then attempt to install the reboot code. Defeat the Stormbird that appears.
Talk to Zo
Speak with Zo.
Meet Zo at Plainsong
Travel to Plainsong then speak with Zo to complete the quest.
Rewards
- 10829 XP
- 3 Skill Points
- 1 Utaru Birthsinger