To obtain the Linka’s Birthday standard quest in Xenoblade Chronicles 3 Future Redeemed, approach the ! in the central part of Colony 9 just north of the Open-Air Dining Space. For this quest, you’ll need to travel to the northeastern part of Raguel Lake in The Ragmos Desolation to encounter a giant blue water creature and defeat it. Now that you have your special ingredient, return to Colony 9 and approach the canteen in Central Plaza. After a cutscene, the quest will complete and you’ll receive the Fried Octomayo Recipe, 2930 EXP, 3100 Gold, Affinity Growth Unlock Kit and Diamond.