Loggerhead
5★

Loggerhead

Plant 5★ Arcanist
About Loggerhead

Loggerhead is a 5★ Plant Arcanist in Reverse: 1999. Below are the exact Insight materials needed to ascend them, plus other Plant Arcanists to build alongside.

Data updated: 2026-07-11

Loggerhead — Review & Analysis

Loggerhead

Loggerhead (Empty-Head) is a Plant-Afflatus support built around Status Ailments: both her single-target Incantation and her ultimate deal Mental DMG and randomly slap 2 ailment effects onto enemies, while her counter drags foes into Memory Replay. Her passive turns the team's ailment-stacking into Clear Mind stacks that heal allies caught in Memory Replay, so she shines as sustain glue for a dedicated debuff line-up rather than as a pure DPS.

Strengths
  • Her AoE ultimate deals 400% Mental DMG to all enemies and applies 2 random ailment effects, giving her board-wide damage plus debuff pressure.
  • She doubles as a healer: Clear Mind stacks (fed by allies applying ailments) heal every unit in Memory Replay each round, and Insight II adds +10% DMG-taken recovery.
  • Memory Replay from her counter spreads to units behind the target (up to 3 at max rank), widening both the debuff and the healing coverage.
Weaknesses
  • She is fundamentally a payoff unit for a Status-Ailment / debuff team — outside that archetype her Clear Mind engine and healing barely turn on.
  • As a Plant Afflatus she takes +30% DMG from Beast enemies, and her %-Max-HP healing (1.2% per stack) ramps up slowly.
Build Priority

Level her ultimate first — it is both her main AoE Mental DMG and her widest Status Ailment application — then her single-target Incantation. Because her value is split between chip Mental DMG and %-HP healing, a Psychube that boosts ATK / Mental DMG lets her add damage while the team feeds her Clear Mind; if you run her purely as sustain glue, a support-oriented Psychube works just as well.

Overview

Rarity
5★
Afflatus
Plant
Birthday
June 1
Official Names
JA: ロガーヘッドKO: 로거헤드ZH-TW: 空腦袋
Afflatus Matchups
↑ Strong against
Star
↓ Weak to
Beast

Base Stats (max level)

Stats at Insight III, max level — from datamined values.
HP6,167
ATK1,024
Reality DEF512
Mental DEF512
Stats across Insight milestones
Base Stats (max level) Lv.1Lv.30Insight 1 · Lv.40Insight 2 · Lv.50Insight 3 · Lv.60
HP 1,3812,0973,5155,2426,167
ATK 2303495848711,024
Reality DEF 115175292436512
Mental DEF 115175292436512

Loggerhead — Skills & Incantations

Full skill kit with values per upgrade tier.
Let's Take a Look! Incantation

“Insight II: 1-target attack. Deals 400% Mental DMG to the target; inflicts 2 random effects from 【Collection of Neg Status】 on the target hit.”

Insight 0: 1-target attack. Deals 200% Mental DMG to the target; inflicts 2 random effects from Collection of Neg Status on the target hit.
Insight I: 1-target attack. Deals 230% Mental DMG to the target; inflicts 2 random effects from Collection of Neg Status on the target hit.
Insight II: 1-target attack. Deals 400% Mental DMG to the target; inflicts 2 random effects from Collection of Neg Status on the target hit.
You Should Try It Too! Incantation

“Insight II: 1-target counter. Grants 【Memory Replay】 to the target and to 3 units behind the target for 2 rounds.”

Insight 0: 1-target counter. Grants Memory Replay to the target and to 1 unit behind the target for 2 rounds.
Insight I: 1-target counter. Grants Memory Replay to the target and to 2 units behind the target for 2 rounds.
Insight II: 1-target counter. Grants Memory Replay to the target and to 3 units behind the target for 2 rounds.
Impartial Appreciation Society Ultimate

“Insight I: Mass attack. Deals 450% Mental DMG to all enemies. After attacking, inflicts 2 random effects from 【Collection of Neg Status】 on the targets.”

Insight 0: Mass attack. Deals 400% Mental DMG to all enemies. After attacking, inflicts 2 random effects from Collection of Neg Status on the targets.
Insight I: Mass attack. Deals 450% Mental DMG to all enemies. After attacking, inflicts 2 random effects from Collection of Neg Status on the targets.
Legacy - Keeper of the Archive Incantation

“Insight III: Whenever an ally actively casts an incantation, for every 1 【Neg Status】 inflicted on an enemy through that action, Loggerhead gains 1 stack of 【"Clear Headed"】 for 2 rounds.”

Insight I: Whenever Memory Replay is triggered on an ally, Loggerhead gains 1 stack of "Clear Headed" for 2 rounds. At the end of the round, for every stack of "Clear Headed" on self, recovers (the ally's Max HP x1.2%) HP for all allies carrying Memory Replay.
Insight II: DMG Heal +10% when entering battle.
Insight III: Whenever an ally actively casts an incantation, for every 1 Neg Status inflicted on an enemy through that action, Loggerhead gains 1 stack of "Clear Headed" for 2 rounds.

Skill Quotes

Official flavor quotes tied to each of Loggerhead's skill ranks, sourced directly from the game.

“The glory of the 20th century has arrived.”

— A Must-See!

“The glory of the 20th century has arrived, and black and white will never go out of style.”

— A Must-See!

“The glory of the 20th century has arrived, and she inspects and collects with delight.”

— A Must-See!

“This is the inevitable side effect.”

— A Mind-Blower!

“This is the inevitable side effect, leaving a strange taste and indigestion.”

— A Mind-Blower!

“This is the inevitable side effect. It either brings memories, or blurs them beyond recognition.”

— A Mind-Blower!

“A faithful recorder, she has much to say.”

— Cinema Binge

Insight Materials

Exact materials to raise this Arcanist's Insight level.
Insight 1
Sharpodonty × 12,000
Page of Plantal Vimen · +38 other characters also need this × 6
Silver Ore · +66 other characters also need this × 4
Milled Magnesia · +70 other characters also need this × 4
Insight 2
Sharpodonty × 30,000
Scroll of Plantal Vimen · +38 other characters also need this × 8
Esoteric Bones · +92 other characters also need this × 4
Golden Beetle · +45 other characters also need this × 2
Insight 3
Sharpodonty × 120,000
Tome of Plantal Vimen · +28 other characters also need this × 12
Murmur of Insanity · +59 other characters also need this × 5
Serpent Scepter · +37 other characters also need this × 2

Resonance Materials

Materials to build out the Resonance tuning grid.
All 14 Resonance levels
Resonance 2
Moment of Dissonance · +128 other characters also need this × 4
Resonance 3
Moment of Dissonance · +128 other characters also need this × 4
Trembling Tooth · +59 other characters also need this × 4
Resonance 4
Moment of Dissonance · +128 other characters also need this × 4
Magnesia Crystal · +81 other characters also need this × 4
Solidus · +128 other characters also need this × 3
Resonance 5
Brief Cacophony · +128 other characters also need this × 4
Cicada Wings · +45 other characters also need this × 4
Spell of Fortune · +85 other characters also need this × 6
Resonance 6
Sharpodonty × 25,000
Brief Cacophony · +128 other characters also need this × 4
Golden Beetle · +45 other characters also need this × 3
Resonance 7
Brief Cacophony · +128 other characters also need this × 5
Bifurcated Skeleton · +117 other characters also need this × 5
Resonance 8
Brief Cacophony · +128 other characters also need this × 5
Holy Silver · +121 other characters also need this × 4
Liquefied Terror · +96 other characters also need this × 4
Resonance 9
Brief Cacophony · +128 other characters also need this × 6
Prophetic Bird · +111 other characters also need this × 7
Perpetual Cog · +36 other characters also need this × 6
Resonance 10
Hypocritical Murmur · +23 other characters also need this × 1
Sonorous Knell · +128 other characters also need this × 4
Winged Key · +54 other characters also need this × 6
Salted Mandrake · +66 other characters also need this × 6
Resonance 11
Hypocritical Murmur · +23 other characters also need this × 1
Sharpodonty × 100,000
Sonorous Knell · +128 other characters also need this × 4
Golden Compass · +40 other characters also need this × 3
Resonance 12
Hypocritical Murmur · +23 other characters also need this × 1
Sonorous Knell · +128 other characters also need this × 5
Wyrmling Skeleton · +71 other characters also need this × 3
Biting Box · +126 other characters also need this × 5
Resonance 13
Hypocritical Murmur · +23 other characters also need this × 1
Sonorous Knell · +128 other characters also need this × 5
Glowing Mothwing · +27 other characters also need this × 4
Goose Neck · +53 other characters also need this × 5
Resonance 14
Hypocritical Murmur · +23 other characters also need this × 1
Sonorous Knell · +128 other characters also need this × 6
Fruit of Good and Evil · +63 other characters also need this × 1
Silver Bullet · +60 other characters also need this × 4
Resonance 15
Hypocritical Murmur · +23 other characters also need this × 1
Sonorous Knell · +128 other characters also need this × 6
Mistilteinn · +65 other characters also need this × 2
Murmur of Insanity · +59 other characters also need this × 4

Recommended Psychubes

Psychubes recommended to equip on Loggerhead, based on community builds.

Where to Get

Featured in 3 banner(s).
Conduit of the Unseen · Event Banner · v3.5 2026-06-18
On Fate's Cue · Limited Banner · v3.2 2026-01-20
Moonbeam Guardian · Limited Banner · v2.5 2025-04-24

Where to Get →

Teams with Loggerhead

Crit/Riposte Vanguard · Crit

Ezio Auditore leans on Riposte, Corvus stacks Crit with Dynamo, and Sentinel converts Crit hits into Bloodtithe — three different resources feeding off the same Crit-focused rotation. Loggerhead pairs Riposte with Heal to keep the counter-attack loop alive. All four run without any Euphoria.

Teams →
Seal Riposte Duo · Debuff

Bkornblume, Зима and Erick all tap into Debuff together with Riposte — combining it across three kits at once outperforms any single carry doing it alone. Loggerhead keeps the line-up alive with Heal so that payoff has time to land.

Teams →

Where to next

More Plant Arcanists

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