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Need Help? or just want to chat?
Join the community:

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This is a beta release. Some features may be rough or incomplete, but the pack will improve with every update. Feedback is welcome.

Aetherfall: Demon Slayer is a progression‑focused, immersive adventure modpack that pulls you into a living world shaped by danger, discovery, and growth. Instead of relying on mechanical themes, the experience centers on exploration, mastery, and the evolving power of your character as you rise through the ranks of Demon Slayers. Every biome, structure, and encounter is designed to feel atmospheric and purposeful, guiding you through a journey where your skills, equipment, and knowledge expand naturally over time.

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- Demon Slayer combat and abilities integrated into regular survival.

- Light steampunk tech with mechanical automation and early‑industrial tools.

- Expanded world generation for more biomes, structures, and exploration variety.

- Improved atmosphere through enhanced audio, visuals, and environmental effects.

- Survival and RPG tweaks that add depth without overcomplicating gameplay.

- Quality‑of‑life upgrades for navigation, building, and inventory management.

- Performance optimizations to keep the pack smooth on most systems.

- Decorative building options for detailed bases and themed builds.

- Multiplayer‑friendly features including built‑in voice chat.

- Atmospheric visual and audio improvements that deepen immersion without heavy performance cost.

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⚠️ What to Avoid

❌ TLauncher or cracked launchers — may break mod compatibility, configs, or quests

❌ Adding external mods unless you know what you're doing — can corrupt progression or crash the pack

❌ Allocating too much RAM — more isn’t always better; stick to recommended ranges

❌ Using outdated Java versions — use Java 17+ for stability and performance

❌ Running on integrated graphics without tuning — disable shaders, lower render distance

✅ What to Do

✅ Use CurseForge, Prism Launcher, or MultiMC for best compatibility

✅ Allocate RAM properly:

Use 7gb Ram for best performance

SinglePlayer: 5–7 GB
Client: 4–7 GB
Server: 4–12 GB

✅ Check modpack page for loader version (Forge/Fabric) and Minecraft version
✅ Keep logs and crash reports, handy if troubleshooting
✅ Join community spaces (Discord) for help and update

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If Aetherfall: Demon Slayer gains enough traction, I plan to develop a full quest‑based progression system to guide players through on the Demon Slayer content. I also intend to continue improving performance and overall polish as the pack grows. If interest keeps building, I’ll open a dedicated server so players can experience the pack together.

recently one of our friends started learning to code so we might even try to rebuild the mod kimetsu no yaiba with way more refined features.

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Credits:

McVins (Modpack engineer/ Artist / Founder)

Kix30 (Discord engineer/ Co-Founder)

Aetherfall - Demon Slayer

AddonsLib

Advanced Loot Info

Advancement Plaques [Neo/Forge]

AllTheLeaks (Memory Leak Fix)

Almanac Lib

AmbientSounds 6

Amendments

AppleSkin

Aquaculture 2

Aquaculture Delight (A Farmer's Delight Add-on)

Architectury API

Athena

Balm

Better chunk loading[Forge/Fabric]

Better Third Person

Better World Loading ([Neo]Forge)

Biome Replacer

Biomes O' Plenty

Bliss Shaders

Chat Heads