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Swallowtail - Version 3 vs Version 4
Apr 28, 2026, 03:19 AM
Comprehensive update with verified launch stats, lore, drops, recommended Espers, and mechanics
Apr 28, 2026, 03:25 AM
Comprehensive update with verified launch stats, lore, drops, recommended Espers, and mechanics
1+2+13Swallowtail is an Anomaly Hunt encounter in Neverness to Everness. The fight takes place in Hethereau and is part of the game's weekly combat loop. Swallowtail is weak to Anima damage.2435Lore and Description4657A massive, lumbering butterfly drags a trail of movie ticket stubs, forever yearning for the sky, yet doomed to wander here day after day. The encounter takes place inside a Hethereau anomaly zone where reality bends around the creature's slow procession.6879Quick Facts810911AttributeValueCategoryAnomaly Hunt EncounterSubtitleOpen-world weekly encounterLocationHethereauWeaknessAnimaStamina Cost per Attempt60 StaminaChallenge Levels8ResetWeeklyWorld Boss IDBoss_08_BP_WorldBossMap Markermonsters:boss_8:01012Strategy and Mechanics11131214Recommended Team13151416The team picks below are aligned to the Anima weakness. Pulling any of these into the active rotation is the highest single-stat increase you can apply to Swallowtail's clear time.15171618EsperRarityElementJiuyuan5-StarAnimaNanally5-StarAnimaMint4-StarAnima1719General Combat Guidance18201921Fill the boss's break meter with consistent attacks and reward-heavy defensive inputs. Successful parries and dodges contribute significantly more to the break bar than a hit, and a clean parry also fills the Esper Cycle Meter instantly. Save ultimates and heaviest skills for the stagger window that follows a full break. Swallowtail takes greatly increased damage while staggered, so burst output during this phase largely determines whether the encounter clears quickly. Build the team around the Anima weakness. Characters aligned with Anima will see the largest damage multiplier, and team compositions that can enable elemental reactions on top of that attribute will apply additional pressure to the break bar between stagger windows.20222123Weakness and Resistances22242325The table below lists the boss's raw resistance value for each of the six elements. A lower number marks the element the boss is most vulnerable to. For Swallowtail, that element is Anima.24262527ElementResistanceNoteCosmos0.20StandardAnima0.16WeaknessIncantation0.20StandardChaos0.20StandardPsyche0.20StandardLakshana0.20Standard2628Challenge Level Stats27292830The table below lists Swallowtail's HP, attack, and defense at each of the encounter's difficulty levels. Higher levels yield better drop rates and progression materials at the cost of a tougher fight.29313032LevelHPATKDEF122,827182750243,067304810394,7304878704151,0227319305454,4231,09799061,067,0231,5851,02071,601,4412,1951,05082,178,6262,9261,0803133Drops32343335Swallowtail drops the following materials when defeated. Higher challenge levels increase the drop rate. Each item links to its own wiki page for details on rarity, usage, and acquisition notes.34363537ItemRarityColorful Ticket StubPurple3638Encounter Notes37393840Swallowtail is one of three Anima-weak Anomaly Hunt targets in the Hethereau cluster. Players short on Anima 5-stars can substitute Mint or any A-rank Anima Esper at lower difficulty tiers without breaking the team's reaction loop.39414042Related Pages41434244PageDescriptionBossesFull overview of NTE's boss combat systems, stagger loop, team composition, and encounter types.Anomaly HuntWeekly open-world world-boss system that spawns this fight.Anomaly EnemiesLore and classification of NTE's hostile anomalies.Parry SystemTiming windows and reward table for clean parries.Esper Cycle SystemHow parry and attack inputs fill the Esper Cycle Meter.