Cataclysm DeDust
TikFiniTok
MagicLeylines
Attune to underground ley currents — a new school of portals, time, and rifts for Iron’s Spellbooks.
NeoForge1.21.12.8K downloads
Mods · SC Final Adventure packs
Semeth Wiki
Guides for how these mods work, and a changelog for every update. Iron’s Spellbooks addons, adventure and structure tools, pack-author kits, Cataclysm extras, a TikTok LIVE bridge, and the SC Final Adventure modpacks.
Magic
Magic
MagicSpell Codex
Turn Iron’s spell list into a progression Codex, then cast only what you have earned from the Actionbar.
NeoForge1.21.14.6K downloads
MagicSpell Codex Ars Compat
Convert Ars Nouveau caster tomes into Codex cards and cast them from the Actionbar with Iron’s mana.
NeoForge1.21.1418 downloads
MagicSpellActionbar
A scroll action bar for Iron’s Spells ’n Spellbooks — equip, hotkey, and never consume scrolls.
NeoForge1.21.14.8K downloads
Adventure & worlds
Adventure & worldsAdventure Engine
Structures generate adventures. Accept the mission, finish it for loot, or walk away.
NeoForge1.21.120 downloads
Adventure & worldsBassSanctum
A custom dimension with a generated structure and a configurable altar item.
NeoForge1.21.1253 downloads
Adventure & worldsStructure Encyclopedia
Explore the world, unlock its ruins, and fill a leather-bound tome of discovery.
NeoForge1.21.152 downloads
Packs & servers
Packs & serversEpicQuest Dungeoning
Author jigsaw dungeon packs, key a portal, and send players into a generated instance that wipes on extract.
NeoForge1.21.1317 downloads
Packs & serversEpicQuest Hub
New worlds become a void overworld with your own spawn hub pasted from a schematic.
NeoForge1.21.192 downloads
Packs & serversEventMaker
Invisible triggers for packs — datapack command polls, shared IDs, creative-only visibility.
NeoForge1.21.1139 downloads
Addons
Streaming
Modpacks
The SC Final Adventure family — bossrush, Arcana, Machines, and Mechanical Genesis. Each pack has its own guides and changelog.
ModpackSC Final Adventure
Challenge bosses, grind for god-tier gear, and dive into a brutal endgame gateway bossrush.
NeoForge1.21.11.4K downloads
ModpackSC Final Adventure - Arcana
A guided magic-and-combat pack whose advancements and bounty boards form one interconnected journey.
NeoForge1.21.11.4K downloads
ModpackSC Final Adventure - Machines
Hunt bosses, farm their essence, and craft your way to the End in a guided 1.21.1 factory-and-adventure pack.
NeoForge1.21.1932 downloads
ModpackSC Final Adventure - Mechanical Genesis
Feeling lonely as the only soul in the world. Time to craft some friends.
Forge1.20.1161 downloads
Latest updates
All changelogsSpell Codex · 1.6.6
[Changelog - v1.6.6] Requires Spell Actionbar 1.1.5+ . Fixed Compatibility with Apprentice's Codex block-targeting spells — looking at a block while casting from the actionbar or imbued…
SpellActionbar · 1.1.5
[Changelog - v1.1.5] Fixed Apprentice's Codex block-targeting spells (e.g. Rift Hole ) now receive the client block target when cast from the actionbar, instead of always failing with "Target a…
Spell Codex Ars Compat · 0.9.0
[0.9.0] — 2026-08-29 Summary Convert Ars Nouveau caster tomes into unique Spell Codex cards and cast them from the Actionbar with Iron's mana. Requires Minecraft 1.21.1 / NeoForge Iron's…
SC Final Adventure - Arcana · 1.2.4
Final Adventure Arcana v1.2.4 NeoForge: - 21.1.233 -> 21.1.248 Added: - Leylines: Iron's Spells 'n Spellbooks - Legendary Monsters - Legendary Spellbooks Updated: - Ace's Spell Utils - AllTheLeaks…
SC Final Adventure · 1.0.12
Final Adventure - v1.0.12 Mod Updates: - Ace's Spell Utils - Apotheosis - Apotheosis x Iron's Spellbooks Compat - Apothic Attributes - Apotic Compats - Apothic Enchanting - Apothic Spawners -…