Create: Deep Dark [Forge/NeoForge]

Overview
Create: Deep Dark is an addon for the Create modification that introduces new end-game content items based on the Deep Dark biome. This expansion makes exploring Warden territories more engaging and valuable for players.
Key Features
✨ New Echo material obtainable from Echo Shards and Sculk blocks, or by defeating the Warden
✨ Fully customizable armor set and melee weapon with special effects
✨ Dozens of new items, fluids, and recipes using Create's machinery
✨ Special recipe for Netherite ingots using Superheating, doubling the output
✨ Echo Cake - an enhanced version of the Blaze Cake. Used for Superheating or as fuel for furnaces and generators from other mods. Burns for 19,200 ticks (3 times longer than regular Blaze Cake)
Gameplay

Obtain Sculk Flour by crushing any Sculk blocks from the Deep Dark biome. You'll also receive experience in the form of nuggets during the process, similar to using a hoe. This opens up possibilities for creating interesting experience farms...

Echo Shards found in Ancient Cities can be mixed to obtain Molten Echo - a fluid required for several recipes including Echo Ingots. You could also try to obtain Echo Ingots by defeating the Warden, but this might prove to be a more challenging task...

Echo Ingots will prove useful for crafting an enhanced version of your Netherite armor and sword with special effects:
- The complete Echo Armor set provides infinite Resistance II and Strength II bonuses

- The Echo Sword inflicts Weakness II and Darkness II on hit for 5 seconds (effects don't stack)

Echo items can be repaired using Echo Ingots in an anvil:

Echo Armor also supports appearance customization, like standard vanilla armor:

While you're unlikely to run out of Sculk soon after an adventure in the Deep Dark, you might find yourself short on Echo Shards for crafting valuable ingots. Fortunately, a Master Cleric will be happy to trade them for a few emeralds.

Finally, the mod adds five new advancements to the Adventure category:

Video Review
Dependencies
Only the base Create modification is required for this mod to work.
JEI is recommended but not required.
Installation
Add the .jar mod file to your mods folder.
Alternatively, you can find the mod in the Modrinth launcher (if it doesn't appear, try typing the author's name). Once found, click "Install" to add it to your modpack.