Vaskars Bestiary Bosses & Creature Codex Mod (1.21.1)
Java mod listed for Minecraft 1.21. Downloads from the MC Java Mods app on Android.
Vaskars Bestiary Bosses & Creature Codex Mod introduces custom boss battles, dedicated fight arenas, and a creature logging book into Minecraft. You can…
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Vaskars Bestiary Bosses & Creature Codex Mod introduces custom boss battles, dedicated fight arenas, and a creature logging book into Minecraft. You can track mighty monsters across different areas and learn their attack patterns during three-phase encounters. Defeating these foes rewards you with special items like weapons that cast lightning bolts. The mod also tracks every new beast you spot and records their details in an in-game codex.
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Features:
- Skarrn Boss Battle: Fight a lightning-scarred elk in a burnt forest clearing across three distinct phases.
- Telegraphed Attacks: Read visual cues before enemy strikes land so you can dodge in time.
- Automatic Creature Codex: Record every beast into a bestiary book simply by looking at them.
- Unique Combat Drops: Claim powerful gear like the Lightning Antler to shoot pairs of lightning spears.
- Adds dedicated battle music and custom boss health bars for encounters.
- Includes custom environmental blocks like ash layers, charred logs, and smouldering wood.
- Supports creature entries from data packs without needing extra setup.
- Adds special music discs that play tracks tied to each encounter.
Encounter Highlights:
- Skarrn: Guards a scorched forest clearing and strikes foes with lightning.
- The Ember Heart: Rests inside a fiery caldera surrounded by flame grates.
- Glacier Colossus: Stands inside a frozen hall lined with icicles and rime crystals.
- The Deep Mother: Lurks deep beneath the surface and wields heavy tridents.
- The Sand Maw: Hides inside an underground desert grotto waiting to strike.
How to Use:
- Craft or find the bestiary book to start logging monsters.
- Look at any creature to automatically write its entry into your book.
- Locate boss structures like the burnt forest clearing to trigger fights.
- Watch the boss’s animations to dodge incoming attacks between phases.
- Equip the Lightning Antler and aim at targets to fire lightning spears.
Screenshots:





Vaskars Bestiary Bosses & Creature Codex Mod Download Links
- Edition: Minecraft Java
- File type: .jar
- Minecraft version listed: 1.21.1
- How to install: Install the matching mod loader (Forge, Fabric or NeoForge) for your Minecraft version. → Download the .jar. → Put it in the .minecraft/mods folder and launch that loader profile.
- Where to get it: In MC Java Mods, or directly above on this page.
Install steps are the general flow for this file type — How to install Minecraft Java mods & modpacks walks through it step by step.
- Downloads as 528663.mcaddon
- Download size: 37.1 MB
- Download link checked 18 Oct 2026 — working
- Mirrored on our own servers — the download does not depend on the original host
These come from our own check of the pack file, not from the source page.