A jolt of white-hot pain lanced through Mia's head, shattering her peaceful reverie. A startled gasp escaped her lips, quickly morphing into a groan as she squeezed her eyes shut and clutched her head. Her vision swam, the once-clear scenery outside the Bounty window blurring into a dizzying kaleidoscope of colors.

"Mia! Are you okay?!" Nelson's voice, laced with genuine concern, cut through the fog of pain. He whipped his head around, his playful grin replaced by a look of worry. Before she could respond, another wave of pain crashed down, eliciting a fresh wave of groans from Mia. Her hands flew to her temples, massaging them in a futile attempt to ease the throbbing.

Blackie, ever the perceptive canine companion, abandoned his comfortable spot on the seat and hopped into Mia's lap with a concerned yelp. He nudged her hand with his wet nose, his dark eyes brimming with worry.

"Mia, what's wrong?" he barked, a flurry of questions tumbling out in rapid succession. "Where does it hurt? When did this start? Why do you think this happened?"

Mia, battling the waves of pain, managed a weak smile at Blackie's frantic concern. "It's okay, boy," she mumbled, her voice strained. "Just a headache. A bad one."

But even as she spoke, another groan escaped her lips, belying her attempt at reassurance. Nelson, his usually carefree demeanor replaced by a determined frown, reached for a water bottle from his backpack.

"Headache, huh?" he said, his voice serious. "Here, drink some water. Maybe that'll help."

He gently guided the bottle to Mia's lips, his eyes scanning her face for any sign of improvement. Mia, grateful for his support, took a few tentative sips, the cool liquid offering a slight reprieve from the throbbing pain.

"Thanks, Nelly," she whispered, leaning her head against his shoulder. "Maybe we should let Zane take a look at you when we come back," Nelson suggested, his voice laced with concern. "A headache like that can't be normal."

Mia nodded and sighed.  A flicker of concern crossed Nelson's brow as Mia closed her eyes, the grimace on her face deepening. He gently nudged her shoulder. "Mia? You alright?"

Mia responded with a weak moan, her body tensing slightly. The rhythmic thrumming of the Bounty's engines seemed to amplify the pounding in her head. Blackie, sensing her distress, whined softly and nudged his head against hers, his warm fur offering a small comfort.

"Hey," Nelson said softly, his voice laced with worry. "How about I get you a cold compress? Maybe that'll help."

Mia, her voice barely a whisper, managed a weak nod. Nelson, ever resourceful, rummaged through his backpack, emerging with a crumpled face cloth. He soaked it in the water bottle and, with gentle hands, placed it on Mia's forehead.

The cool touch sent a jolt of relief through her, momentarily dulling the throbbing pain. Mia sighed, a hint of gratitude flickering in her eyes as they opened slightly to meet Nelson's.

"Thanks, Nelly," she rasped, her voice weak but sincere.

Suddenly, Blackie, nestled on her head, perked up his ears. He let out a sharp bark, his gaze darting towards the window. Following his line of sight, Mia squinted through the blurry haze of pain. A flicker of movement caught her eye – a small, dark shape streaking through the sky, paralleling the Bounty's course.

"What was that?" Mia croaked, a sliver of curiosity pushing through the fog of discomfort.

Nelson followed her gaze, his brow furrowing as he narrowed his eyes. "Can't quite make it out," he admitted. "But it looked like... a bird? Maybe a falcon?"

Mia frowned. Falcons weren't uncommon in Ninjago, but this one seemed... different. It moved with a purpose, its black form a stark contrast against the clear blue sky. A strange sense of unease settled in her gut, a feeling that transcended the throbbing in her head.

"Maybe it's following us," she whispered, a hint of fear creeping into her voice.

Nelson chuckled, though it lacked its usual lightheartedness. "Probably just a coincidence, Mia. Relax, okay? We'll land soon, and Zane can check you out."

Mia nodded, forcing herself to take a deep breath. The cool compress offered a temporary respite, but the underlying unease wouldn't fade. The strange bird, the sudden, debilitating headache... it all felt like a puzzle piece, but one whose significance remained frustratingly unclear.

 Just then, Mia flinched as another wave of pain washed over her, her groan muffled by the cold compress Nelson had placed on her forehead. Blackie, sensing her distress, let out a low whine and nuzzled his head against hers.

"There, there," Nelson murmured, his voice laced with concern. "Just a little longer, okay? We'll be landing soon."

Mia squeezed her eyes shut, trying to focus on anything other than the relentless throbbing in her head. Then, a voice, surprisingly articulate for a cat, broke through the haze.

"What if the reason your head hurts is because you didn't leave your room for a year?" Blackie inquired, his furry head tilting inquisitively.

Mia's eyelids flew open, a fresh wave of annoyance pushing back the pain for a moment. "Don't remind me, Blackie!" she exclaimed, her voice weak but laced with exasperation.

Blackie, ever the loyal companion, whined apologetically. "Sorry, Mia. Just trying to figure things out."

Nelson chuckled, a hint of amusement creeping into his voice. "Blackie's got a point, Mia. Maybe all that screen time and scrolls finally caught up to you."

Mia shot him a playful glare. "Hey! Those scripts were essential intel for saving Ninjago, thank you very much. And for finding Jay."

Despite the weak attempt at humor, a pang of guilt flickered through her. Blackie was right. A year cooped up in her room, glued to her computer screen, fueled only by instant ramen and takeout, probably wasn't the healthiest lifestyle choice.

"Maybe you're right, Blackie," Mia admitted, her voice quieter this time. "Maybe I should've gotten some fresh air once in a while."

Mia groaned, the throbbing in her head a persistent drumbeat. Blackie, ever the furry cheerleader, whined sympathetically and nestled his head on her lap.

"Don't remind me about the room, Blackie," Mia mumbled, swatting playfully at his head. "Just because you have the attention span of a goldfish doesn't mean I do."

Nelson chuckled, a hint of amusement battling the concern etched on his face. "Maybe Blackie's onto something, though. A year of takeout and questionable hygiene products could definitely give you a headache."

Mia swatted him too, a weak but playful gesture. "Hey! Those protein bars were practically gourmet, and that ninja shampoo? Amazing for detangling after a good training session."

Blackie hissed at Mia's head and offered it a death stare.

"Easy there, champ," Nelson murmured, offering a reassuring pat to Blackie. "We'll land soon, and hopefully, Zane can figure out what's wrong with Mia."

Mia squeezed her eyes shut, trying to focus on anything but the relentless ache. "Maybe Blackie's right," she mumbled, her voice strained. "Maybe all that spelunking and deciphering ancient texts finally caught up to me."

Nelson chuckled, a nervous sound. "Yeah, maybe. Or maybe the air in Hagiology Doughty just doesn't agree with you."

Mia's eyes snapped open. "Hagiology Doughty?" she echoed, a flicker of concern replacing the annoyance. "Wait, weren't we just...?"

Before she could finish, the pilot's voice crackled over the intercom, cutting through her jumbled thoughts.

"Attention passengers," he boomed, "we are now preparing for our descent into Hagiology Doughty International Airport. Please ensure your seatbelts are fastened and prepare for landing."

Mia exchanged a bewildered glance with Nelson. Hagiology Doughty? Their intel clearly pointed to Wu being hidden in a remote monastery, not a bustling international airport.

Blackie, as if sensing their confusion, let out a questioning meow.

"Looks like our intel might be a little off," Nelson said, a wry smile pulling at his lips. "Maybe Wu decided to upgrade his hideout to a more... luxurious location?"

Mia couldn't help but snort, a shaky sound that did little to ease the throbbing in her head. "Luxurious or not," she muttered, "we still need to find Wu. And maybe," she added, a glint of determination in her eyes, "figure out why my head feels like it's about to explode."

The plane began its descent, the unfamiliar landscape of Hagiology Doughty sprawling beneath them. The playful banter had been replaced by a focused determination. A headache, a possible intel mishap – they were just hurdles on their path. Mia, Nelson, and Blackie, a team forged in adventure, would face them head-on, one sarcastic quip and determined paw print at a time.