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SystemsUpdated Jun 20, 2026

Blox Monsters Bloodlines Guide

Complete Blox Monsters Bloodlines guide covering best Bloodlines, all 13 reported buffs, Level 7 slot timing, reroll priority, and route pairings.

Blox Monsters Bloodlines Guide Blox Monsters guide image

Data conflict policy

Reported total varies by source.

Current site records
13
Community reported
13
Unverified watchlist
2

Data table

Bloodlines quick reference

Bloodlines are shown as route tools with pairing context, conflict labels, and no silent winner when source data varies.

Bloodlines quick reference
NameEffect / Main valueBest forRouteDecisionVerificationLast checked

Exile Celestial

Public sources align on this as a top stop point, but exact values should still be checked in-game after patches.

Reported Rank Luck +200% and mutated-monster catch chance x2.
Rank qualityMutation hunting
Quality rollskeepCross-verified2026-06-20

Picomori

Best when rare catches are the actual bottleneck.

Reported Catch Chance x2, Rank Luck +100%, and hidden monsters at B or above.
Rare CatchingHidden monsters
Catch supportkeepCross-verified2026-06-20

Sealed Calamity

Best for long hatch projects; exact hatch mutation chance remains source-labeled.

Reported Hatch Time -25% plus a hatch Mutation chance.
Boss EggsIncubator routes
Egg routekeepCross-verified2026-06-20

Serpent Deity

Useful if Sealed Calamity is missing and hatch time is the wall.

Reported Hatch Time -15% and Legendary Trait hatch chance.
Boss Eggs
Egg fallbackbridgeCommunity Reported2026-06-20

Milofoy

Keep as a Rank bridge if Exile Celestial is missing.

Reported Rank Luck +100%.
Rank quality
Rank bridgebridgeCommunity Reported2026-06-20

Snowbloom

Keep when Picomori is missing and catches keep failing.

Reported Catch Chance x1.5 and hidden monsters C or above.
Rare Catching
Catch bridgebridgeCommunity Reported2026-06-20

Snow Queen

Use only when Mutation catching is the current goal.

Reported mutated catch chance x1.4.
Mutation hunting
Mutation bridgebridgeCommunity Reported2026-06-20

Florahare

Acceptable early fallback when rerolls are tight.

Reported Rank Luck +50%.
Rank quality
Early Rank fallbackbridgeCommunity Reported2026-06-20

Stormwing

Temporary bridge, not a reason to spend serious rerolls.

Reported Rank Luck +25%.
Early progression
Starter bridgebridgeCommunity Reported2026-06-20

Dreadspike

Use only as a low-cost catch bridge.

Reported Catch Chance x1.2 and hidden monsters D or above.
Early catching
Early catch fallbackbridgeCommunity Reported2026-06-20

Blizzardy

Comfort pick, not a power route.

Reported Movement Speed +20%.
Travel comfort
UtilitytestCommunity Reported2026-06-20

Auroraflare

Public effect data varies; screenshot the in-game text before building around it.

Unknown — awaiting in-game verification.
Testing
WatchlisttestConflicting2026-06-20

Wave Sprite

Public effect data is not confirmed; do not build around it yet.

Unknown — awaiting in-game verification.
Testing
WatchlisttestUnknown2026-06-20

What Bloodlines do

Bloodlines are passive account buffs that change how efficient your route feels. Public guides group the system around five practical outcomes: catching monsters, improving Rank rolls, hunting Mutations, shortening egg hatches, and moving around the map faster.

  • Use Bloodlines before spending rare Trait, Mutation, Skill, or Mega resources.
  • A strong Bloodline does not save a weak monster, but it can make a good route much cheaper.
  • The best roll depends on the wall in front of you, not only on a tier label.

How to unlock the system

Current guides place the Bloodlines NPC in Misty Forest near the spawn area and Egg Hatcher. New accounts are reported to start with one Bloodline slot and a small starter reroll bundle, while Level 7 opens a second free slot. Extra slots are reported as Robux purchases.

  • Talk to the Bloodlines NPC before rerolling so you can see your current slot state.
  • Reach Level 7 before serious rerolling when possible.
  • Treat purchased slots as convenience, not a replacement for a clear reroll target.

Best Bloodlines to keep first

Current public guides agree that Exile Celestial, Picomori, and Sealed Calamity are the first rolls most players should stop on. They cover the three expensive routes that usually punish bad reroll timing: quality rolls, rare catches, and long egg projects.

  • Exile Celestial - reported Rank Luck +200% and mutated-monster catch chance x2; best for Rank and Mutation quality routes.
  • Picomori - reported Catch Chance x2, Rank Luck +100%, and hidden monsters at B or above; best when rare catches keep escaping.
  • Sealed Calamity - reported Hatch Time -25% plus a 20% hatch Mutation chance; best for Boss egg and incubator routes.

All Bloodlines quick reference

Use this as the page's fast scan before you decide whether to keep, bridge, or reroll. Exact values are public-source values and should still be checked in-game after updates.

  • T0 Exile Celestial - Rank Luck +200% and mutated catch chance x2; keep almost always.
  • T0 Picomori - Catch Chance x2, Rank Luck +100%, hidden monsters B or above; keep almost always.
  • T0 Sealed Calamity - Hatch Time -25% and reported hatch Mutation chance; keep for egg-heavy accounts.
  • T1 Serpent Deity - Hatch Time -15% and reported Legendary Trait hatch chance; keep if no Sealed Calamity.
  • T1 Milofoy - Rank Luck +100%; keep as a Rank bridge.
  • T1 Snowbloom - Catch Chance x1.5 and hidden monsters C or above; keep as a catch bridge.
  • T2 Snow Queen - mutated catch chance x1.4; use as a Mutation bridge.
  • T2 Florahare - Rank Luck +50%; early Rank fallback.
  • T2 Stormwing - Rank Luck +25%; starter bridge.
  • T2 Dreadspike - Catch Chance x1.2 and hidden monsters D or above; early catch fallback.
  • Utility Blizzardy - Movement Speed +20%; comfort pick, not a power route.
  • Watch Auroraflare - public effect data varies; hold only for testing or collecting.
  • Watch Wave Sprite - public effect data is not confirmed; do not build around it yet.

Pick by current problem

The easiest way to waste rerolls is chasing a generic best roll when your account has a specific bottleneck. Name the problem first, then choose the Bloodline that removes that problem.

  • Rare monsters escaping: chase Picomori first, then Snowbloom or Dreadspike as temporary bridges.
  • Weak Rank or low-quality catches: chase Exile Celestial first, then Milofoy, Florahare, or Stormwing.
  • Mutation hunting: chase Exile Celestial first, then Snow Queen if rerolls are tight.
  • Boss eggs and long incubator routes: chase Sealed Calamity first, then Serpent Deity.
  • Travel and farming comfort: use Blizzardy only when speed is the real wall.

Reroll timing and slot plan

Level 7 matters because the second free slot reduces the pressure to fix everything with one roll. If your first slot is even moderately useful, keep playing until that checkpoint before spending serious rerolls.

  • Step 1 - keep any useful first-slot roll while you push toward Level 7.
  • Step 2 - once the second slot opens, decide which route needs help: catch, Rank, Mutation, hatch, or travel.
  • Step 3 - stop on T0 rolls and on strong fallbacks that match the current wall.
  • Step 4 - avoid chasing watchlist Bloodlines unless you are testing them directly in-game.

Reroll economy warning

Public sources do not describe a stable repeatable free reroll farm. Some code trackers list one-off Bloodline Reroll rewards, while Pro Game Guides describes Robux purchase as the current direct reroll source. Treat rerolls as scarce until your own account confirms otherwise.

  • Spend code rerolls only after you know which slot you want to improve.
  • Do not use rerolls to fix a monster that you are about to replace.
  • If a new update changes reroll access, update the plan before spending saved rolls.

Route pairings

A Bloodline is strongest when it supports the same route as the monster, Trait, Mutation, and egg plan. Before spending fruit or Mega materials, check whether the Bloodline is helping that exact route.

  • Boss egg route - Sealed Calamity or Serpent Deity pairs with long hatch timers and incubator planning.
  • Rare catch route - Picomori, Snowbloom, or Dreadspike pairs with hidden-monster hunts and catch support.
  • Rank route - Exile Celestial, Milofoy, Florahare, or Stormwing pairs with keeper monsters that need better quality rolls.
  • Mutation route - Exile Celestial or Snow Queen pairs with Mutation fruit decisions and rare variant hunting.
  • Mega route - choose Bloodlines after confirming the base monster is worth rare material spending.

When to keep a fallback

Not every non-T0 roll is bad. A fallback is worth keeping when it saves rerolls and directly supports the next route. Serpent Deity, Milofoy, Snowbloom, and Snow Queen are the cleanest examples because each one has a clear job.

  • Keep Serpent Deity if the account is egg-focused and Sealed Calamity is missing.
  • Keep Milofoy if Rank quality is the current goal and Exile Celestial is missing.
  • Keep Snowbloom if rare catches are failing and Picomori is missing.
  • Keep Snow Queen if Mutation catches matter and Exile Celestial is missing.
  • Replace Blizzardy once travel comfort stops being the bottleneck.

Pending and risky picks

Auroraflare and Wave Sprite should stay on the watchlist until their current in-game effects are confirmed. If you roll one, do not label it bad automatically, but do not spend a full build around it without direct testing.

  • Screenshot the current in-game effect text before making a final call.
  • Compare the effect against the route you are actually playing.
  • If the source data conflicts, keep the roll only if you can test it yourself.

Fast FAQ

Short answers for the decisions players usually make before spending rerolls.

  • Best overall? Exile Celestial for quality, Picomori for catches, and Sealed Calamity for eggs.
  • Should I reroll before Level 7? Usually wait unless the current roll does nothing for your route.
  • Are lower-tier Bloodlines useless? No, they are bridges when they solve the exact current problem.
  • Should I buy extra slots first? Only if you already know which routes you want to support.
  • What should I verify after patches? Slot rules, reroll access, Auroraflare, Wave Sprite, and any changed buff values.

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