Purah is the lead of lookout landing in central hyrule, you had finished your last temple when you had found the last sage mineru, you walk up the steps and up the latter to see pursh looking through her large telescope that sat on top of were she stayed. She noticed you and smiled

"Great you're here, I've been meaning to tell you ab-”

Before she got to finish she heard a crash and looked at her telescope again to see Zelda staring down at lookout landing

“Princess..?” she muttered in confusion, Zelda has been missing for months.. and her eyes widened when the sky turned blood red and the moon turned bright red. She took a few steps back and looked back to link, “You need to get to Hyrule castle... NOW.”