
Chain Reaction
- Slot
- Ranged
- Triggers on
- Projectiles
- Author
- Dakota Chinnick
- Methodology
- Data Methodology
Tier I: Projectiles have a 20% chance to spawn 4 additional projectiles. Tier III: Projectiles have a 40% chance to spawn 8 additional projectiles.
Chain Reaction tiers
Game dataThe game's own text for each tier, with the numbers filled in from the ability data.
| Tier | Effect |
|---|---|
| I | Projectiles have a 20% chance to spawn 4 additional projectiles. |
| II | Projectiles have a 30% chance to spawn 6 additional projectiles. |
| III | Projectiles have a 40% chance to spawn 8 additional projectiles. |
Data from the Minecraft Dungeons II game files, build 1.1.3.0. How we source this
What Chain Reaction is good for
CalculatedWhat fires it, its top tier and how much gear takes it, straight from the game files.
- Triggers on
- ProjectilesMost projectiles per second: Scatter Crossbow (7.5)
- Items that take it
- 22Ranged
Best weapons for Chain Reaction
CalculatedChain Reaction works on every projectile, so weapons that put out the most projectiles per second get the most from it. Ranked by projectiles per shot divided by the seconds between shots (base weapons).
- 1
Scatter Crossbow7.5/s3 per shot every 0.4 s · #1 of 10 in its class (Crossbow) - 2
Rapid Crossbow5/s1 per shot every 0.2 s · #3 of 10 in its class (Crossbow) - 3
Shortbow5/s1 per shot every 0.2 s · #1 of 12 in its class (Bow) - 4
Dual Crossbows3.33/s2 per shot every 0.6 s · #5 of 10 in its class (Crossbow) - 5
Trickbow3.33/s1 per shot every 0.3 s · #3 of 12 in its class (Bow)
11 base weapons ranked; Unique versions are left out to avoid duplicates.
Where to get the Chain Reaction book
The Chain Reaction book drops only from a regional pool.
- Regional pool
Ravines1 of 6 books in this pool (1 in 6)
Which book you get comes from the pool above; these containers are where books drop:
- Fancy chests in Rifts & Dungeons1 book guaranteed + 50% chance of another
- Sift chests in generated areas1 book guaranteed + 50% chance of another
Piggy Bank50% chance of a book
Chain Reaction and every other enchantment, one click away
Filter every enchantment by gear slot, category and trigger, read each tier, and see which areas drop its book.
- Filter by slot & trigger
- Every tier's effect
- Where each book drops

Gear that takes Chain Reaction
Every item in these families can hold Chain Reaction.
| Gear | Count |
|---|---|
| Ranged weapon | 22 |
Enchantments that pair with Chain Reaction
They trigger on the same action (Projectiles), so one move fires them together.
Ender MinesShared trigger: Projectiles
Ender QuiverShared trigger: Projectiles
PiercingShared trigger: Projectiles
RicochetShared trigger: Projectiles
SwirlingShared trigger: Projectiles
TumbleshotShared trigger: Projectiles
Successful ranged hits have a chance to fire off additional projectiles at nearby enemies. At tier I: Projectiles have a 20% chance to spawn 4 additional projectiles. At tier III: Projectiles have a 40% chance to spawn 8 additional projectiles. Its book only drops in Ravines (1 in 6 book drops there).
Help us maintain accuracy! If you notice incorrect stats, missing data, or any issues, your feedback directly improves the quality of our data for the entire community.
Chain Reaction FAQ
What does Chain Reaction do in Minecraft Dungeons II?
Successful ranged hits have a chance to fire off additional projectiles at nearby enemies. At tier I: Projectiles have a 20% chance to spawn 4 additional projectiles. At tier III: Projectiles have a 40% chance to spawn 8 additional projectiles.
Where do you get the Chain Reaction book?
Only in Ravines, where it is 1 in 6 enchantment books from that area's regional pool.
What gear can Chain Reaction go on?
Ranged: 22 items in total. It triggers on: Projectiles.
What enchantments work well with Chain Reaction?
Ones that fire on the same action (Projectiles): Ender Mines, Ender Quiver, Piercing, Ricochet, Swirling, Tumbleshot.
What is the best weapon for Chain Reaction?
By projectiles per second, Scatter Crossbow, Rapid Crossbow, Shortbow lead: Scatter Crossbow fires about 7.5 per second, and Chain Reaction works on each one.
