Summoning Xenolord, the Level 60 Dragon/Dark raid boss? There's no map pin for this one. You bring the fight to your base via a Summoning Altar, and the clock starts the moment it lands. Below: how to summon it, why Ice and Dragon damage is the play, what it drops, and a fight plan that beats the timer.
Xenolord is a raid boss, so there's no map pin. Xenolord Slab (4 Feybreak fragments) at a Summoning Altar
Xenolord is Dragon + Dark, so lead with Ice and Dragon damage and you'll carve through its health bar fast. Reliable picks: Foxcicle, Frostallion, Jetragon, Astegon. Pack a bow or firearm too, since poking from outside its attack range beats trading hits up close.
Use the free Palworld Breeding Calculator to see every pair that makes the Pal you want, or what Xenolord can breed into.