Tactics Ogre Reborn PC RTX 4060 4K Lygenstzel battle Sanctum of Lyuneram

"A chimera with the body of a bird, shell of a turtle, and tail of a snake. It is said that Lyuneram, Goddess of Ice, turned a cruel king into this creature as punishment."- Description
01:09 Lygenstzel stats
My setup:
RTX 4060 Windforce OC Gigabyte
Asrock B660m HDV
Core 13100F
Corsair Vengeance RGB RT 4000 mhz 2x16GB
XPG S70 Blade 1 TB NVME
PNY 960 GB SSD Sata