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11 Overview
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33 Scarlet Tail (火红尾) is a Fire-type spirit in Roco Kingdom: World released as part of a launch-day collaboration with Shanghai Animation Film Studio (上美影). The spirit is designed in a traditional Chinese ink-painting style to mark the Year of the Horse, and it evolves into Yadan Mane (雅丹鬃), a water-ink styled horse with three visual forms (normal, shiny, prismatic).
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55 Dex
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77 PropertyValueDex Number#340TypeFireCollaborationShanghai Animation Film Studio (上美影)ThemeYear of the Horse ink-painting styleLaunch dateMarch 26, 2026 (game launch)
88 Base Stats (火红尾)
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1010 StatValueHP67Physical Attack56Magic Attack129Physical Defense70Magic Defense89Speed100Total511
1111 Species Ability: Heaven-Earth Brightness
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1313 Heaven-Earth Brightness (天通地明) increases Scarlet Tail's skill power by +100% when attacking a target with the Pollution (污染) bloodline. Because most Season 1 Nightmare Shackles encounters produce Pollution Bloodline variants, this ability turns Scarlet Tail into an efficient PvE shiny farming carry.
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1515 Evolution Chain
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1717 NameChineseStageScarlet Tail火红尾Base form (#340)Yadan Mane雅丹鬃Final form (#341)
1818 Yadan Mane evolves from Scarlet Tail. Reports of the exact evolution level vary between Level 36 and Level 40 depending on source, with some pointing at an additional item requirement (Fire-Red Tail Fruit and 1,200 Starlight points). Confirm the exact trigger from the in-game dex before committing evolution materials.
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2020 Yadan Mane Forms
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2222 Yadan Mane is a water-ink styled horse with three distinct visual forms: the standard form, a shiny variant, and a prismatic variant. Each shares the same underlying stats and skill pool but carries a different visual palette. The prismatic variant is the rarest of the three and is tied to high-end completion rewards.
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2424 Acquisition
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2626 Launch-day event: Scarlet Tail was distributed during the launch event window and remains obtainable through the collaboration quest line.Fire bloodline farming: Wild Fire-type spirits in the Vesuvius Volcano region can drop materials used for the evolution.Shiny and prismatic variants: Drop through extended event participation; rates are not publicly documented.
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2828 Role
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3030 Anti-Pollution carry: Primary use case is farming Nightmare Shackles Pollution Bloodline spirits, where Heaven-Earth Brightness doubles every damage turn.Fire-type specialist: High 129 Magic Attack and 100 Speed make Scarlet Tail a competitive special Fire attacker against non-Pollution targets as well.Collab flavor: Useful as a thematic team piece for players running a horse-themed lineup or participating in the collaboration quest content.
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32+Base Stat Line
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34+The figures below are the values carried in the game's own spirit encyclopedia data for 火红尾. The six stats sum to a species total of 511.
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36+StatBase valueHP (生命)67Physical Attack (物攻)56Physical Defence (物防)70Magic Attack (魔攻)129Magic Defence (魔防)89Speed (速度)100Total511
37+Encyclopedia Entry
38+ 
39+FieldValueDex numberNO.340Chinese name火红尾Element typeFire (火系)Evolution stageStage 1Species class自然类精灵Height range0.72~0.98MWeight range17.5~30.5KGMovement地面RideableYes, single riderPerception range40Starlight value24Shiny variantYesAdded in version1.0.0 (2026-03-26)
40+Level-Up Move List
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42+火红尾 learns the following moves by level. Power is blank for moves that do not deal direct damage, and energy is the cost paid to use the move in battle.
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44+LevelMoveElementCategoryPowerEnergy1热气FireAttack4001除厄FireAttack6021魔法增效NormalStatus-05防御NormalDefence-18炎枪FireAttack100311引燃FireStatus-216耀眼NormalStatus-121炙热波动FireAttack55329充分燃烧FireStatus-331阳火增辉FireAttack75336焚烧烙印FireStatus-343持续高温FireAttack70247天火FireStatus-3
3245 See Also
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3447 Spirits - full rosterNightmare Shackles - Pollution Bloodline mechanicElement Types - Fire matchupsVesuvius Volcano - Fire biome