Just after Ryohei had said his opinion on Lambo's so-called plan for both I-pin and Lambo's performance, while almost tearing up due to his laughter at Lambo when Ryohei thought about the time he saw Lambo's practice for his original planned version. Lambo suddenly entered the house while still currently riding on his new pet, which Lambo dubbed as Volt.
And if anyone took a look at Lambo's contemporary looks, the one eye he was opening had a slight tear on it, and his nose seemed to start sniffing again.
If Tsuna were to see Lambo's current look, he would immediately panic as just recently. Almost at the same time when Kyou had managed to fuse both of her cloud and mist Flames. At one time, Lambo seemed to have managed to invent a new technique seemingly out of nowhere.
Lambo's technique seemed to have suddenly gained appears to be a manifestation of Lambo's Lighting Dying Flames Around his body. Along with a misty looking black and white fog around his body as well.
And in this form, while Lambo uses this technique, Lambo losses most of his Sanity, leaving a wild Lambo who acted similar to a bull that had seen a red towel. Aside from that, in this form, Lambo also gains a powerful power-up; about four times his current strength is released from Lambo. But, Reborn and Spanner both speculated that this power boost/technique seems to have still not been mastered by Lambo yet, which was extremely obvious at that point.
But according to both of their speculations, this technique can probably allow his power to grow to ten times his base power. But this technique, aside from losing his Sanity as a downside. This technique only lasts approximately about twenty minutes. Still, it seems to be improved ok whenever it is a good thing or a bad thing if Lambo stays in this form for longer.
And lastly, Lambo's last notable change when he uses this technique was that his eye, which he mostly never opens. Anf had caused the gang back then but had just decided to ignore it since Lambo back then had persistently rejected to answer that question. So most of them had just given up asking Lambo about his eye. And surprisingly, Lambo's eye is the one he closes most of the time opens when he goes into this form/Technique
And unlike normal eyes, the eyes that appear in Lambo's eye at this time looked like that of a serpent or dragon while having the yin yang symbol as his pupils. And it seems according to the powers they saw when the uncontrollable Lambo was using this eye.
Although no one knew how Lambo seemed to have been able to teleport in less than a second and was capable of appearing in front of them even if they were almost 50 meters away, another effect of Lambo's eye is that any person, even Reborn, can't move in about five minutes when being stared at by this eye. And the last known effect of this eye seems to be almost similar to Tsuna's bloodline effect from his Vongola Intuition.
Lambo's eye appears to see through all illusions, even the compelling ones that Chrome made when she had helped Tsuna. The other guardians suppress the rampaging Lambo. At the first time when Lambo had first gone into this form and was mostly the reason, they knew about this technique at all.
Flashback
And in this battle of preventing Lambo from rampaging in public with Tsuna and the other guardians using mostly their non-damaging attacks against Lambo even though they can probably knock out Lambo at that time with Tsuna's and Kyou's strength alone.
Tsuna had ordered everyone at the time to refrain from hurting Lambo as much due to his overly kind attitude still being dominant on Tsuna's mood even with the personality change from the system memories. And his experience throughout these last two years of training and hanging out with his new friends after he had changed from no-good Tsuna.
And so finally, after just preventing Lambo from doing damage around the forest where Tsuna had trained for over two years now after gaining his system—and also preventing the Rampaging Lambo from escaping to the Namimori and cause problems. So after twenty minutes of that, Lambo fainted immediately after his technique/new form effects seemed to have ended; Tsuna and the gang finally let out a sigh of relief.
After lying down, the unconscious Lambo Tsuna started asking Reborn, who had just watched from a tree in the distance throughout the twenty-minute fight, where Reborn can see the whole fight while at the same time saying.
"Hey Brats, this is your test. This time, take care of the annoying cow that is currently rampaging right now. And don't let the cow get out of here and go to the city, or else I'm going to increase your training again this week. The last time one of you brats trained here, you hit an electrical post here, which caused me to miss Mama's food that day."
Tsuna then started saying to Reborn who had just come down from the tree where he watched their battle
"Hey Reborn what that was, Lambo suddenly started going out of control earlier just after we had started training, did you do anything to him again. like a drug or something since I know that you would do it, after all, I still can't forget the time when you caused me that damned stomach ache with the malasada Mom made back then."
Reborn then just uncaringly said while not looking at Tsuna who had a bit of an irritated look, which mentally caused Reborn to smirk since he liked seeing his students. Like Dino to be irritated due to himself as a prank.
"How should I know you brat I was watching over the nine of you guy's training. But I may have a bit of information on this event of that annoying cow. Since this isn't that much of hidden information, I guess I can just tell it outright to you guys."
"As you may have already known about out races right, like the demon which had possessed your friend…. What was it again, oh Right Mochida who challenge you for Kyoko-chan when I first came here right. Some of the other races are known to spread their; you know seeds and stuff outside from their race which until now is still pretty rare due to the minor conflicts of the various factions, which makes half breeds pretty rare in the modern world."
"So by looking at the stupid cow's eyes earlier, he either might have a parent from another race, or he might be a special one of his family, and maybe the cow had unlocked a bloodline lost in his Bovino family. which a fact is pretty common, especially to the Chinese who has a well-known tradition to keep their bloodlines pure."
"So aside from that I'm sure that his abilities may have come from another race, although I don't know which one." When hearing this Tsuna nodded slowly as he thought Reborn's words is probably correct since he knew even if Reborn who was pretty stern and strict when he first arrived here, which now looked like a serial prankster instead of his old stern attitude. Tsuna still knew that as long as it was about this kind of questions or topics, Reborn would not easily joke about it.
Flashback End
So after that day when Lambo had woken up after being unconscious for a few hours, it seems that Lambo had a blurred set of memories of that day and he himself didn't even know what happened to him that day although it seems that the eye of Lambo which he normally closes seems to be still active as long as Lambo opens that eye although he can't control the effects yet.
So just like before Lambo closed that eye most of the time except for training that form/technique he had just gotten, due to being forced/threatened by Reborn for him to train that form. But even with all that training until the day of the party, Lambo's ability to control himself in that form and was only able to have his Sanity in only five minutes before rampaging again. And the only thing that might be able to prevent Lambo from rampaging again after unconsciously activating this form with his emotions is weirdly enough. A candy from the bag that Lambo always carries, which unknown to everyone just yet that it came from the future. And the bag seems to work just like any other bag unless it was Lambo who opens the bag.