Once the trio made it back to the city, Jak decided that it would be a good time to check back in with Keira in person. Neither Shining nor Daxter disagreed, although both shot the Eco Warrior sly grins which he pointedly ignored.
Part way there, however, Shining spoke up. "Say, Jak...how about Daxter and I take that Ruby Key to Krew before he comes looking for it?" he suggested slyly. "He's probably upset we haven't handed it over yet, and the last thing we need is him showing up at the wrong moment and overhearing the wrong conversation, given Keira's long-term goals."
Jak smirked at his equine brother. "You aren't fooling me for a moment," he chided playfully. "But I won't say no." Passing the Ruby Key over, he made his lone way to the garage.
Chuckling, Shining dragged Daxter off with him, leaving Jak to have some alone time with Keira.
After dropping the key off with Krew, Shining and Daxter went back to the Underground HQ to see if there was anything they could do while Jak was spending some time with Keira. They found Torn waiting for them.
"Whatever you three have been up to, the Baron's not happy," he commented. "He's called in new Hellcat Cruisers to patrol the streets, hunting for your boy Jak. It's not safe for Underground agents anymore. We've already lost five men."
Shining smiled. "I can take care of that. Jak's a bit...busy just now."
"As long as he's out of sight," Torn grumbled. "Much as I hate to admit it, we can't afford to lose him."
"Got any Eco Mines?" Shining asked. "Red for preference."
"...a few," Torn admitted evasively. "How many do you want?"
"How many Cruisers are there?"
"Five," Torn replied. "But I don't see how you can-"
"Red Eco doesn't react to heat or flames until activated," Shining explained, making Torn grin widely in response.
The Hellcat Cruisers were readily identifiable, and a black cloak rendered Shining all but invisible to the Guards since they were looking for Jak, Daxter, and a white unicorn. With careful aim, Shining was able to fling each Red Eco mine up into the Cruisers' systems, attaching them to the engine exhaust near the A-Grav Generator. Once he'd attached a mine to all five Cruisers, he moved to a centralized location and set off the remote detonator, sending all five Cruisers to the ground. Since the mines were designed to eradicate all residue of themselves, it would look like a catastrophic failure of the A-Grav Generator due to overloading.
Torn contacted them over comms as soon as the explosions occurred. "Not bad," he praised. "not bad at all. That'll leave a mystery for the Baron as well, which will be good for us. By the way, Onin wants to see you. I've already told Jak."
"Thanks Torn," Shining replied gratefully. "We're on our way."
On the way to Onin's hut, Shining and Daxter bumped into Jak. "So," Daxter began teasingly. "How'd things go with Keira? Did you...take your time this time?"
Jak rolled his eyes. "We didn't do anything like that," he groaned. "And we aren't going to as long as the Metalheads are an issue. We just...spent some time together. It was...nice." He shrugged his shoulders. "And I'm on her racing team, now. Won the Class 3 race."
Shining turned to glare flat eyed at his brother. "Seriously?" he demanded. "The Baron sent brand new combat cruisers out to hunt you down...and you're racing?"
"Last place he'd look for me," Jak joked as he entered Onin's hut.
Inside, Kor was arguing with Onin via Pecker. "Expecting that little boy to save us is folly!" Kor proclaimed angrily, striking the base of his staff against the ground. "At his age, he's no match for the Metalhead leader." Turning, he spotted Jak and the others. "Oh, Jak...we were just talking about Samos's plan."
"Onin says your voice sounds very familiar," Pecker spoke up as Onin glowered at Kor. "I bet you golden oldies go way back, huh?" Jak and Shining both took note of how Kor flinched back from Onin's gaze. Before they could think further on it, however, Pecker continued. "Onin has noticed you three don't like all the mystical mumbo jumbo and long winded explanations, so much to my relief she's going to be brief. Each seal fragment was positioned in such a way to test you, in order to energize them so they can open the door. The first tested your strength against the Crimson Guard. The second your skills against the dangers of the mine. Now, Onin tests your mind."
As Onin began working her magic, Jak and Shining both could feel the energies flowing, following patterns in the air before them. Without even thinking about it, both of them focused on the patterns, following them with their thoughts. Jak's Eco and Shining's magic flowed out, following the patterns...and before long, anticipating them. As this occurred, the third piece of the seal took form out of the ether, a twin to the first. The three pieces fused together in the air before the trio before falling into Jak's hands.
"Behold!" Pecker proclaimed. "The Seal of Mar is now complete. Onin says the three artifacts you retrieved from the mountain temple are relics from an ancient light power. Old songs tell of how this light power once shined down on the actual site of Mar's tomb. I will sing one of these songs for you-"
"Did you know Jak's dark form is drawn out by irritation as well as anger?" Shining spoke up, as though discussing the weather. "And is highly carnivorous? And aggressive towards whatever triggered it?"
Pecker hesitated. "On second thought, I'll just tell you what you need to know. You must take the three artifacts to Mar's Gate. Only then will the Light Tower rise, and reveal the Tomb."
Jak, Shining, and Daxter chuckled as they prepared to go. None noticed that Kor had already made his way out.