Double Battles
Battles use the Doubles format unless the player has only one Pokémon.
Player handbook · v4.1.1Pokémon Odyssey
Pokémon Odyssey
Documentation
Game systems, mechanics, and developer-backed references in one field manual. Start with the rule you need, then follow the owning guide for detailed data.
Mechanics checked against developer material and v4.1.1 source workbooks.FIELD MANUAL01 / SYSTEMS
Chapter I · Game basics
Rules that shape every expedition.
These are game-wide systems stated in the developer’s feature list. Pokémon-specific numbers belong in the Pokédex.
Perfect IVs
Wild and trainer-owned Pokémon have 31 IVs in every stat.
Controlled EV training
Battling does not grant EVs. Power Items and reduced-price Vitamins provide EVs instead.
Flexible teams
The game provides Nature and Ability changers, an EV Editor reward, and Level Candy for catch-up training.
Reusable tools
TMs are reusable. The Start menu includes an EV/IV display with nature colour-coding.
Exploration systems
F.O.E.s, gathering, mining, Naval Exploration, shop upgrades, Wonder Trade, and a sidequest menu are documented features.
Chapter II · Difficulty & caps
Choose the rules before you descend.
The prologue presents three modes. The developer’s explanation defines the differences below; boss rosters and progression detail remain in the Walkthrough.
PicnicNo level caps
NormalLevel caps active
HardLevel caps plus boss EVs, held items, and custom movesets
Healing items cannot be used during battle in any of the three modes.
Open progression and cap guidance →
How soft caps are documented
One reference point per Stratum.
The official workbook lists eight Strata with caps from level 18 to 75. Level Candy uses the current or previous cap depending on Captain progression. The Walkthrough owns the full progression explanation.
Follow all eight Strata →- IEmerald GroveDocumented capLv.18
- IISand Sea of GolgondaDocumented capLv.30
- IIIMagmatic CavesDocumented capLv.40
- IVAzure RainforestDocumented capLv.50
- VAbyssal ShrineDocumented capLv.60
- VIFrozen GroundsDocumented capLv.65
- VIIPorcelain ForestDocumented capLv.70
- VIIICyclopean HauntDocumented capLv.75
Chapter III · Aether type
The custom eighteenth type.
The official workbook contains an 18×18 Odyssey chart with Aether in the Fairy position. The summary below reports only the Aether interactions explicitly supported by the developer guide.
AEAetherOdyssey type reference
Defending as Aether
Resists
WaterFlyingFireGroundAether
Defending as Aether
Weak to
DarkPoison
Attacking as Aether
No super-effective target
The developer guide describes Aether as relying on broad neutral coverage rather than a super-effective matchup.
The guide records that Aether was initially planned without weaknesses. Community feedback led to the documented Dark and Poison weaknesses.
Browse Aether-type Pokédex records →Chapter IV · Team building01 02 03 04 Browse Odyssey Pokémon data
Build for Doubles and change course quickly.
The developer’s v4.1.1 teambuilding guide recommends identifying each Pokémon’s role, coverage, and speed tier, then investing in the stats that serve that job.
Start with a role
Decide whether the Pokémon is serving as a damage dealer, tank, or support before assigning EVs.
Invest for that job
The guide’s examples place offensive investment in the relevant attacking stat and Speed, or defensive investment in HP and the appropriate defense.
Check the whole pair
Account for team typing, roles, speed tiers, and the major battle strategies the pair needs to answer.
Revise without grinding
Level Candy and the EV Editor are documented as tools for bringing a replacement team member up to the party’s current needs.
Chapter V · Training tools
What the game lets you adjust.
Locations and unlock conditions appear only where the developer workbook states them directly.
EV Editor
Lets the player edit EV investment. The sidequest workbook lists it as the reward for showing a 40-Pokémon Compendium to the scientist at the Pokémon Lab.
Verified quest rewardNature Changer
An in-game Nature Changer is part of the developer feature list. No location is stated here because the verified source summary does not establish one.
Verified featureAbility Changer
An in-game Ability Changer is documented. This manual does not infer which abilities are available to a Pokémon; use the Pokédex records.
Verified featureLevel Candy
The reusable item is obtained from the Nintendo Switch in Nyx’s house. Its target level follows the current or previous cap based on Captain progression.
Developer explanationChapter VI · Reference desk
Go directly to the owning guide.
This hub explains systems. Each linked section owns its deeper records, routes, or release instructions.
PokédexStats, types, abilities, and Etrian Variants404 source-complete records →LocationsWild and Naval encounter evidenceSearch 604 records →WalkthroughStrata, caps, quests, and postgameFollow progression →VersionsRelease history and compatibilityCheck the changelog →DownloadOfficial patch and installation guidanceStart safely →CheatsSmall audited code referenceUse verified formats →Odyssey IISeparate demo referenceExplore Heroes of Lemuria →
Primary sources
Checked against the game’s own material.
Mechanics and reference data are checked against developer-provided documentation and v4.1.1 workbooks. Generic Pokémon rules are not used to fill Odyssey-specific gaps.
Field desk
Documentation questions
What is the Aether type?
Aether is Pokémon Odyssey’s custom type. The developer guide documents five resistances—Water, Flying, Fire, Ground, and Aether—and weaknesses to Dark and Poison. Aether attacks have no documented super-effective target.
How do level caps work in Pokémon Odyssey?
The developer documents one soft level cap for each Stratum. Normal and Hard use these caps, while Picnic removes them. The Walkthrough contains the progression-specific cap reference.
Does Pokémon Odyssey have difficulty modes?
Yes. The prologue offers Picnic, Normal, and Hard. Picnic has no level caps. Normal uses level caps. Hard also gives bosses EVs, held items, and custom movesets. Healing items remain unavailable during battle in all three modes.
Where is the Pokémon Odyssey Pokédex?
The site Pokédex provides a searchable index of 404 source-complete records, including Odyssey types, abilities, base stats, Etrian Variants, and exact encounter evidence where available.
Where are Pokémon encounter locations documented?
The Locations page searches 604 reconciled encounter records from the developer’s v4.1.1 encounter workbook. Standard and Etrian Variant records are matched separately.