Arc Technology

+ Manacanite: New ore, can be used in tools, but its main use is with the...
+ Electron Table: New crafting block, allows you to irradiate objects to transform them, requires an Arc Star
+ Empty Boost: Used to craft boosts in the game, the other way to obtain them is still available
+ Arc Circuit Board: Used to craft armor components
+ JEI COMPATIBILITY, you can now see which items you can obtain with the mod's tables
+ Waste Disposer: Necessary to empty the Electron Table, otherwise it will explode. Place reinforced barrels to empty it and you will obtain...
+ Contaminated Barrels: A subtype of TNT that explodes instantly if caught in an explosion, with a power of 20
+ Padlock: New block that prevents anyone without THEIR key from opening or breaking it, place it and use the key to bind it, it can be forced with Needles
+ Arc Coil: Block that functions as wireless redstone at 6 blocks around, but you'll need a...
+ Arc Redstone Receptor: Upon receiving the Arc Coil's signal, it emits a redstone signal.
+ Hyper Arc Coil: Emits a wireless signal up to 10 blocks around.
+ Rainbow Crystal: A mineral found in an underground structure. When broken, it will become an item. Use the stonecutter to obtain the item, and click on the Contaminated Stone to create more.
+ Brilliant Rainbow Crystal: It has two uses, to create the...
+ Neo Arc Sword: A multi-tool that works better than the base Arc Sword, but only for a short time. Then, it transforms back into a cube for a few seconds (activated with the Arc Sword and the Brilliant Rainbow Crystal in the off-hand by pressing "Q").
+ Arc Neo Laser: A new block that functions as a mega cannon. It can fire in an area of ​​1000 blocks. It needs an Arc Star, Arc Star Collapse, and 30 Brilliant Rainbow Crystals to fire. Find it in the Arc Attack Station.
New Boss:
+ Devourer Energy: This is an aggressive mob that launches poisonous projectiles or absorbs life energy (if you're using arc tools, it will turn them to dust, reversible with pure energy, a liquid you can create by entering water with an Arc Star). Find it in the Arc Colosseum Destroyed. Use pure energy to summon it.
+ Black Core: Obtained by killing the Devourer. You can create a couple of interesting items with it.
+ Construction Blueprints: Obtained from chests. They have 5 durability. You can create the Energy Extractor.
+ Energy Extractor: When aimed near living entities, it will begin to absorb their life, up to a maximum of 1000 points. Then, if you have the Extractor in your main hand, pressing "Q" will grant the Hyper Activated effect. If you have an Arc Sword, it will transform into its Hyper form, with increased damage and speed.
+ Health Extractor: By placing a Rainbow Crystal inside and leaving entities on it, it will begin to damage them if it has a redstone signal, and with that energy, it will create... The...
+ Crystallized Vital Energy: An item that serves as fuel, compost, or a spare part for the Arc Neo Laser.
+ Arc Ai: A new block that, when combined with Arc Core, Battery, and Tool Boost, creates the Arc Ai. If the Axe Boost is present, it will chop down trees in a 20-block area, provided it has access to them. Each use consumes one Battery. If the Damage Boost is present, it will patrol, attacking hostile mobs.
+ New Control Room: An optional feature that creates the summon. When used, the room will appear. It contains a computer with the Star Shard. If you remove the Star Shard, the backup generator will activate, powering it. However, if it runs out of power, Arc-type items will glitch until you return the Star Shard.
+ Star Shard: A new item for creating super-powerful weapons. The first one is made by creating the Dyson Star Shard, which sends energy forward to the Arc Light Receiver. Placing the Laser Atomizer on it will cause it to absorb energy. Once it reaches 100%, using Pressing "R" lets you fire a projectile up to 30 blocks away.
+ Next is the Star Amulet: a very expensive item to obtain, but it's worth it, as it allows you to absorb vital energy to power it. Pressing "Q" will open a menu with three options: Flight, Laser, and Petrify. Each option consumes energy; activate or deactivate it with "Z".
+ Arc Mega Armor: Create it using an Arc Mega Upgrade (by irradiating the Arc Upgrade), an Arc Armor Core (using all the pieces of the Arc Armor), and an Arc Nano Case (using an Arc Core, Arcerite, Crystal Pane, and Nether Star). Combine everything at the blacksmith's table to obtain the Arc Nano-Tec Case, and use it with a right-click to activate it (preferably, remove your armor first).
WARNING!!! If you exit the game, or if you change dimension, it may glitch, so disable it with Ctrl + Z to avoid errors.
+ New achievements for all new content
+ A storage item, the Mini Box: find it in the laboratory
+ Tool change update: now transfers data, allowing you to share with another player without fear of losing your sword.
If I didn't mention the crafting recipes for items, please use the JEI.

//Many of the new features may be very unbalanced, but I found it fun; I'll fix it in the next version//