Exclusive Items (Unnoficially named):
Tracking Amulet - Tracks positioning of the members of the Order of the Stone
An accurate image:
Diffuse Potion - At Ivor's Endercon Lair, used in an early attempt to kill the Wither Storm. Supposedly could if the Wither hadn't protected itself. Named after useless unobtainable potion type scrapped in 1.9.
Potion on right.
Dark Nether Star - A varient of the Nether Star dropped by the dead wither storm. Had enough power to create and activate 9 beacons.
Enchantment Book of Command Eraser - A special enchantment book used to give an enchantment which shatters any command block in 3 hits
Super Diamond Tool - A tool/weapon enchanted with Command Eraser book. It has a special hilt (or stick) and can shatter command blocks.
Endercon Banners - Just about every banner has a pattern that cannot be transcribed with vanilla resources
WIthered Redstone - Even when hit by a dense purple fog, it is quite apparent the redstone in the storm is default purple
Blueprints - Soren's blueprints for a pattern for endermen to build.
Exclusive Armor (WIP):
Ivor's Armor (note it only exists in a flashback, his normal clothing isn't armor)
Tall Enderman Suit
All the armor in Ivor's lair (Ender Defender, Star Armor, Sword Breaker, etc.)
Ender Dragon Wings - Worn by Reuben to the build competition. Wouldn't necessarily call it pig armor because the 1.9 dragon head cannot be worn by pigs so assuming this alternate minecraft developement path allows mobs to wear armor this goes in the chestplate slot much like an elytra.
Exclusive Blocks (Unofficially Named):
Strange Light Block - Shown in buildings at endercon
Glowing Lapis - A strange ore found in Ivor's lair in the Far Lands, it is blue and emits light
Blue Lantern - Perhaps made with glowing lapis, found in a couple of locations and emits light
Purple Lanturn - Strange block inside the storm that emits light. Has a unique texture.
Decayed Block - A block absorbed by the Wither Storm and drained of all its qualities. Found inside the storm and composes it
Super TNT - One of Soren's "Impossible Items", used to craft the Formidibomb
Formidibomb - Powerful TNT varient. Although the explosion itself doesn't look much larger in size , its blast power value is much higher.
Withered Sand - Sand with an alternate texture and the color of clay found in the storm.
Withered Nether Brick - Looks very close to Nether Brick but appears to be tinted purple beyond the purple fog.
Window - a modern looking window at endercon
Lighted Window - The windows from the above. Only lighted.
Red Stained Clay Stairs
Stained Redstone Lamp - at Ivor's Lair
Alternate Bookshelf - at Ivor's lair
Unique Paintaings - Such as a golden apple painting in Ivor's Lair
Armor Stand Lighter - Used to light up displayed armor in Ivor's Lair
Enhanced Texture Chests - Chests and a few various tile entities are more 3D, could just be a resource pack though
Unlocked Iron door - can be opened with one's hands and have handles.
Fire Powered Piston - Activated using flint and steel instead of redstone.
Tall Armor Stand - holds the tall enderman suit.
Ropes - hold up redstone lamps in endercon.
Light gold block
Wither Storm - Grows by absorbing blocks, inflicts wither sickness, shoots fiery wither skulls, has tractor beam eyes, etc.
As described on another thread by grockstar124:
Witherstorm Evolutionary Stages (for those interested)
The Witherstorm in this stage resembles a regular Wither, and has it's ability to fire Wither Skulls. The only visible differences is it doesn't explode the stage when created, the skulls it shoots have flames trailing behind them, and the obvious command block in it's rib cage. It has the ability to attract single blocks to it, to create it's "body". Once it begins to attract blocks and they begin to form the armor, it moves to the next stage. It will follow the commands of it's creator to attack, and cease it, although once the Witherstorm enters the Cycloptic Stage, it will ignore these commands.
Named after it's armor's appearance, this stage's armor has completely covered the back, and the necks of the three heads. It still seems to follow commands, and cannot be attacked with typical melee attacks. The tail and the rib cage (and it's command block cargo) remain exposed, along with the front's of it's typical heads. The Witherstorm is able to pull two blocks, and multiple banners from the walls at once. The later parts of this stage can lift largish clumps of 3 to 5 blocks.
Early Cycloptic Stage
This stage's armor has covered the center skull to the point that it has formed a head with teeth-filled jaws and one glowing purple eye. It's ribs and it's side heads remain covered, and it's tail has been covered, with 3 pixel sized extensions hanging from the bottom of it. It will quickly cover it's command block core at this point, rendering the Fancy Potion useless, and leaving only the two side heads barely exposed. As this stage continues to grow, the creature gains the ability to lift humans with a purple eyebeam from it's head, and the bottom extensions has grown into a group of small immobile tentacles. At the end of this stage, it will have covered it's bottom half with a half oval shape, and have grown a mobile tentacle from it's side, and can lift entire chunks of flooring, and will have covered all but it's upper front in armor, the rest being covered in a partial sphere.
This stage is unwitnessed, but is a transition from the partial sphere and one small headed Witherstorm to the heart shaped 3 large headed stage. This stage has the other two skulls transformed into heads, and have all three grow significantly with the rest of it's body, which grows multiple tentacles.
This is the stage the Witherstorm is in when it destroys Endercon, and where it spends the rest of Episode 1 in. This stage can use it's eyebeams to lift large portions of buildings and other structures and groups of people into the air, and fires large, explosive heads that set every block of large trees on fire, and have the explosion strength of a charged creeper. It also has the ability to use it's tentacles that have grown to hundreds of blocks in length to grab humans, break portions of buildings (and portals) and block peoples paths.
This is the stage in which the Witherstorm is in when it attacks Boom Town/Redstonia (depending on your choice in the story), and ends Episode 2 in this stage. While it's heads have not grown in size (proportionally), it's body has grown to massive proportions, and it's bottom tentacles have grown to the average size of the Destroyer's tentacles, and it's larger set have grown massively to the point of being twice as high as it's body. The result is a octopus-like body plan. It is able to lift the top half of Ellegard's lab and break apart in a few seconds, and significantly darkens the sky in it's presence (although this effect occurs when the Witherstorm can be seen in the distance in it's Destroyer Stage at the last few minutes of Episode 1).
We will learn about more stages and the Witherstorm once the other 3 episodes are released.
This basically shows all the stages of the storm in case you needed pics.
Edit: Also, in episode 3 it reaches its strongest state, the Thunderstorm form. It creates a storm in the area around it and probably has more power than even episode 4's storm. In episode 4 it is split into 1 devourer and 2 destroyer storms, with the most developed one hosting the command block.
Half Grown Pig (Reuben): A pig with birthmarks on its back and potentially a bruised eye. In between the size of a child and adult pig. The proportion of the head to the body is about in between too.
Finally, some blocks have more textures to make the world look more diverse, primarily grass, stone, and gravel, and entities such as a minecraft with diamonds.
If you can name anything else, please do so in the comments.
Also, we can use this thread to discuss whether or not these items should be included in this game.
And if anyone is willing to make a mod, that would be amazing.
Season 2: (will be reformatted eventually)
Special enchantment book (used on flint and steel)
Glowing Flint and Steel