Officially named
Demonic mutation
The Roblox description lists a new Demonic mutation in Update 1. That confirms the feature name, but not a numeric effect, rarity, roll chance or guaranteed acquisition path.
Be The Final Boss Mutations
Demonic is officially named in Update 1. Exact odds, full effects and complete rarity rules remain unknown, so confirmed names are separated from early observations.
Mutation dossier
What is known and what remains open
Update placement
Demonic is named in the official Update 1 description.
Shards and fusion
Current guide footage discusses Shards and fusion as connected progression systems.
Odds and exact effects
No complete reliable rate or multiplier table is available.
Before spending Shards
Use a safe decision rule
- 1. Check that the mutation name appears in the current game UI.
- 2. Read the visible effect text before confirming a roll or fusion.
- 3. Do not budget around an unsourced probability or multiplier.
- 4. Recheck after updates because Update 1 systems may still change.
Questions
Mutation FAQ
What mutations are in Be The Final Boss?
Update 1 officially names Demonic. Cursed appears in current guide discussion, but its complete status and effects need stronger confirmation.
What does Demonic do?
The official update text confirms the name, not a complete effect table. This page does not invent damage multipliers or bonuses.
What are the mutation odds?
No reliable complete odds table is available. Treat any unsourced percentage as unconfirmed.
How are Shards connected to mutations?
Recent gameplay guides discuss Shards and fusion alongside mutation progression, but exact recipes and rates still need current in-game documentation.