Update: Added another move and changed his Jet Stream move.

Rain's gameplay trailer has been released and given us a look on what to expect. Many seem to argue about wether or not Rain's special moves are stolen from other characters, debating how original a character Rain will be. So therefore I made this thread to discuss this, describing my observations on the matter. So here goes.

Super Roundhouse Kick
Animation wise, this appears like a normal roundhouse kick, just like it did in UMK3. However, there's added some special effects to it, Rain emitting purple energy and water effects. And what it does is kicking the opponent off-screen who then appears on the other end of the screen, just like in UMK3. Nothing much to else to this move, other than it was one of the most wanted moves for Rain to return to his DLC appearance.

Water Orb
He hurls an orb of water at the opponent in best Hadouken style and on hit, the orb expands into a large bubble around the opponent which Rain is able to control, making the opponent come closer, go further away or up in the air. This looks like it will be good for preparing juggles with, and I personally like the bubble effect added this time around.

Shocking Bolt
Rain raises his hand and calls on a bolt of lightning which striked down into the opponent who is then hurled up into the air. The Enhanced version shows that Rain summons three lightning strikes following along the stage, like a reveverse version of Shang Tsung's Enhanced Skull Pillars.
Now, this is one of the moves which was given to Nightwolf in the later games, but which was Rain's to begin with in UMK3. So if anyone stole this move, it would be Nightwolf who is the thief. I prefer Rain's version of the two.

Water Blast
Rain conjures a jet stream of water which hits the opponent in the face, distracting them and pushes them back. It doesn't look like it does any damage, nor does it look like it could do any damage as to me it just seems like water splashing the opponent in the face.
*Update* The water stream animations is like the one seen in MK Armageddon as seen in his vignette, changed from his gameplay trailer where it appeared like Reptile's Enhanced Acid Spit move, but from his hand. This is a pleasant change though. ^^

Windy Feet
Rain disappears in a puddle of water and appears below the opponent, turned upside down and kicking the opponent up into the air.
This move appears in the same fashion as Sektor's Teleport Uppercut, but with a kick rather than a fist.

*Update* Mystic Vapors
Rain's teleport is back from MK Armageddon! Rain evaporates into a puddle of water and reappears behind the opponent. Unlike his MK Armageddon version, he doesn't seem to spin down into the ground though, but is just ducking down into it.

Throw
Rain grabs the opponent, jumps up into the air and off-screen, then drops head first into the ground, but Rain evaporates before hitting the ground and then appears from a puddle of water while the opponent now suffers an incredible headache.
Many see this as a stolen move from Noob Saibot's Portal Grab, but other than jumping up into the air with the opponent in his arms, there's not much else that's alike with the two moves.

X-Ray Move
Rain grabs the opponent's arm and then breaks the elbow with an upward palm. He then spins around and kicks the opponent in the head with a roundhouse kick, cracking the opponent's skull. If there's a third hit, we have yet to see.
This is one of the less exciting X-Rays in the fray, as there's nothing unusual happening and nothing which seems to be connected with Rain's powers. There might be a third hit though which would personalize his X-Ray, but it has yet to be seen.

Fatality 1: Drowning Bubble
Rain conjures a bubble of water around the opponent's head, then makes the opponent swallow the water who gets inflated by it and will possibly burst.
I like this fatality alot and I have wanted something like this for Rain in a long time - plus the inflation animation gives Kitana the opportunity to have her classic Kiss of Death fatality to return.

Fatality 2: Hydro Blade
Rain conjures a bubble of water around the opponent's legs, forcing them to bend down and cracks the bones in them. The opponent now kneeling in pain, Rain conjures a blade of high-pressure water from his hand which he use to decapitate the opponent with.
Another cool looking fatality which might end in yet another decapitation, something many other characters have in their fatalities.

Conclusion
Indeed, some of Rain's special moves resemble that of other characters' special moves, but NRS have tried to make them appear more original in their performance though the moves share similar results in the end. Personally I don't have a problem with it, as I find the moves quite fitting for Rain, but I have taken notice of others who wanted more originality to him.

That said, other characters share moves as well. Jade and Cage both have a Shadow Kick, Scorpion and Ermac both have a Teleport Punch, numerous characters have fireballs, etc.

All in all, I think NRS did a nice job with Rain's gameplay from what we have seen in the trailer.

What do you think?