Give the well-groomed panther carass to King Grugla ( 1871, 95, -154 ) Copy/waypoint 1871, 95, -154 up in the broken aquaduct just south of Mok Rent. To reach Grugla from the Mok Rent griffon tower ( 1833, 61, -322 ) Copy/waypoint 1833, 61, -322,
Turn your back to the tower and go to the ramp upwards at ( 1770, 56, -381 ) Copy/waypoint 1770, 56, -381.
Climb the ramp and the two wooden bridges that connect ramps to the Upper Entrance where Ancho Mok'Nok and Secondary Tykenil Riz'Dn are at ( 1862, 112, -371 ) Copy/waypoint 1862, 112, -371
Turn to the right (west) and go through the pathway through the wall. To avoid the aggro jungle khvara at the other end of the pathway, keep to the left of the pathway and turn left immediately at the other end of the pathway ( 1896, 114, -368 ) Copy/waypoint 1896, 114, -368.
Follow the river to the left (south) from the entrance, to an aqueduct at ( 1871, 114, -301 ) Copy/waypoint 1871, 114, -301.
Follow the aqueduct to its edge at ( 1869, 113, -224 ) Copy/waypoint 1869, 113, -224, looking down towards the edge.
At the edge, below you, is a vine. Walk (drop) to the vine and follow it to a broken piece of a bridge on the other side at ( 1867, 114, -192 ) Copy/waypoint 1867, 114, -192.
Walk this platform to its edge, dropping down again to the platform below it at ( 1873, 96, -141 ) Copy/waypoint 1873, 96, -141. This is where Grugla is. From here, you can take another vine to get down safely. (Alternatively, you can try jumping down to the water).
Pick up the baby stonechest gorilla (and stone tablet).