Harvard would be speeding across the entire forest area, running across the soft grass and crunchy leaves, his arms elongated and his suit bloodied. He's been fighting for who knows how long, as he watched around and see the muscles of the Nuckelavee try to strike at him on every corner. Each time he's seen such tendrils, a spell was casted to cut them down, a set of knives to let him hold and wield whenever, absorbing parts of the beast in himself with Fusion, providing him more and more energy the longer the fight went on. "So, real quick, what EXACTLY is gonna get me that whole 'Fuse with all my friends' type of attack?" He'd ask, as he'd watch the Nuckelavee's head emerge from the ground and readies a bloody roar, piercing his eardrums and stunning him with sound, all to let the Devil of the Sea smack at his ears with both of its hands.
"The style you gained... Monster Magic... It is an accessible one that makes the body the very beast. When you acquired me, you took in the rider, the one that pilots the beast and acts whenever, just like this." It began, the horse head speaking as it grew a massive jaw and tried to chase after, gnashing its teeth and barging through each oak with relative ease. The humanoid form would grow out from such muscles, creating arms to cleave the forest and grab ahold of any trees, ingraining itself onto them to weaponize as personal battering rams, swinging them around and preventing Harvard from coming close. "...To reach the full state, you utilize 'Fusion' alongside one of your monsters, correct? That would count as your 'horse', your other half that you wish to mold with. You forfeit everything at once to incorporate that new monster and its abilities... all under the cost of utilizing that specific monster. While I would admit it is effective, one can do so much more with such partitions."
"Like what?"
"Well, take a look at yourself. See what changes during your metamorphosis..." The Monster keeps such an onslaught as Harvard would set up three cards, using the attacks by the Devil of the Sea to absorb the muscles and its energy to cast the summoning. He'd choose to not announce the monster for brevity's sake, as he'd cast Fusion immediately to take the monster inside himself, his anatomy changing once more. Such a monster was somewhat recognizable, holding a count's clothing and the signature J, although that very J is reversed. Scythes were born from the boy's fingers, slowly forming such an arch and adopting a sharp blade as a result. The mask would bore into his face, as he'd gaze down on his own figure.
Judge.
"Well, I'm part monster now! I don't look all that different, do I?" The Card Magician asked as he'd swing his arm around, aiming to cleave the beast's head off.
"Of course, but that is the issue..." The beast replied, as it'd curve its head and dodge the strike, a reversal hook to launch the boy, watching him use the chains that served as his arms wrap around and pull him back for a dropkick. "...You can use your body to spread it further. Think of it as a 50:50 Ratio. Half and Half. One can take such a monster in say, the arms and legs, whilst the body and head takes in the other monster. It is a balance that both can share, with your vessel as its template. So long as you acknowledge both sides, both sides would commune and work as one entity."
The boy pondered at the monster's call, as he'd try to scatter his scythes and chains towards the entire environment, a web of steel to ensure the beast cannot get close. As he did, He'd begin to draw out the energy from such nature, watching as he'd sap the trees of their nutrients, the grass beginning to turn a murky brown, having just enough to prepare his second summoning. He'd try to split his body apart and set up the fusion spell as he'd summon another beast, Fibonacci. To say that the process was hell is an understatement, as the second such a monster entered his system, his body ached and became unbearable. He could feel every nerve grinding at the two monsters, their energy ripping it down, bleeding internally and struggling to even stand. He had to take out such monsters and try it again, enduring that same agonizing pain to achieve what the Devil of the Sea wanted.
And yet, he still kept trying.
The Nuckelavee merely stared at the boy, no longer trying to attack him, watching him struggle and scream at handling such monsters. He could see the boy's muscles twitch and spasm, as if it was ready to explode and dismember him one after another. It even felt compelled to reach out and stop whatever was happening, but such a procedure Harvard endured would be shown in a blast of white light. A beam that pushed back and blinded the Orcadian Monster, having it detach itself from the horse in order to properly stand, to cover its eyes with its massive hands. In such a silhouette, it watched in awe as the boy began to stand.
Spirals on his hands, the foundation of Fibonacci as his legs and back, his wings in such a similar pattern. His body and Head, however, remained the same. The mask was still worn, the J is still present, the curve slightly curving itself to show such symbiosis.
"Excellent.... Excellent....!!" It would utter, as it prepared for another attack, the compartments above opening as such a drill came through, one that nearly split the two fighters above the box, twisting the atmosphere, a tornado being born from Fibonacci's movements.
Yet even with such a new state, the child can still feel the pain linger. Small itches here and there, but just enough as a reminder of how difficult it was, whilst his humanity is preserved. A Form to take on a pinch, should he have the pieces already in place.