Mercuria
Mercuria is a 6★ Spirit Arcanist in Reverse: 1999. Below are the exact Insight materials needed to ascend them, plus other Spirit Arcanists to build alongside.
Data updated: 2026-07-11
Mercuria — Review & Analysis
Mercuria (Spirit, 6-star) is a hybrid pillar between sub-DPS and support: her Skill 1 deals single-target Mental DMG while healing the lowest-HP ally, and can scale sharply based on the number of tier-2/3 Incantation cards in the action area. Skill 2 raises Crit Rate for the whole party, making her a prized crit enabler for burst-crit lineups. Her Ultimate simultaneously deals AoE damage, dispels enemy buffs, and grants a tier-shift status to all allies, showcasing a versatile offense-defense-support role.
- Skill 2 grants party-wide Crit Rate for 2 rounds, a rare and valuable crit buff for burst-crit lineups.
- Skill 1 bundles damage and healing into one card, and can gain extra Mental DMG scaling from high-tier Incantation cards on the field, with a large bonus ceiling.
- The Ultimate deals AoE damage, dispels enemy buffs, and grants a tier-shift status to the whole team — highly versatile.
- Her Spirit afflatus stands outside the counter cycle, so no enemy type gives it a matchup edge either way.
- Skill 1's bonus damage depends on stacking enough tier-2/3 Incantation cards on the field, so its output fluctuates with your deck-building and team composition.
Prioritize leveling Skill 1 first to maximize both Mental DMG and healing output, then the Ultimate for stronger AoE damage; Skill 2 only scales its crit buff, so it can be upgraded later. For Psychubes, favor ATK/Crit Rate-oriented ones to amplify both her own hits and the crit buff she provides to the team; if leaning into support, a healing-boosting Psychube is also worth considering.
Overview
Base Stats (max level)
| Base Stats (max level) | Lv.1 | Lv.30 | Insight 1 · Lv.40 | Insight 2 · Lv.50 | Insight 3 · Lv.60 |
|---|---|---|---|---|---|
| HP | 1,419 | 2,154 | 3,611 | 5,385 | 6,336 |
| ATK | 256 | 389 | 652 | 972 | 1,143 |
| Reality DEF | 115 | 174 | 291 | 434 | 533 |
| Mental DEF | 120 | 181 | 304 | 453 | 571 |
| Crit Rate | 13.6% | 13.6% | 15.4% | 17.2% | 19% |
| Crit DMG | 150.4% | 150.4% | 153.1% | 155.9% | 158.6% |
Mercuria — Skills & Incantations
The Clamor of Others
Incantation “Insight II: 1-target attack. Deals 400% Mental DMG to an enemy and recovers (the user's ATK x50%) HP for the ally with the lowest HP. For each rank 2/3 incantation in the AP Area, deals an additional 30%/50% Mental DMG, up to a maximum of 250%.”
Focus of the Self
Incantation “Insight II: Mass buff. Grants Critical Rate +30% to all allies for 2 rounds. Gain 6 additional stacks of 【Cosmic Energy】 for self for 2 rounds.”
Gift of the Night's Morning Star
Ultimate “Insight II: Mass attack. Dispels 2 random 【Stats Up】 and 【Pos Status】 effects on all enemies, then deals 400% Mental DMG to the targets. Grants 【Rank Up】 to all allies for 2 rounds.”
Skill Quotes
“The spotlight is a restless tide.”
“The spotlight is a restless tide, constantly ebbing and flowing.”
“The spotlight is a restless tide, constantly ebbing and flowing, searching for stillness amidst its chaos.”
“She shines like the morning star.”
“She shines like the morning star, capturing the attention of those around her.”
“She shines like the morning star, capturing the attention of those around her as she guides them through their inner journeys.”
“On this night, I trade gifts with the world.”
Insight Materials
Insight 1
Insight 2
Insight 3
Resonance Materials
All 14 Resonance levels
Euphoria
Branch 1
[Rank Up] New Effects Added: When attacking with a rank 3 incantation: DMG Dealt +(DMG bonus gained from Mercuria's current [Cosmic Energy] x40%). If under [Incantation Might Up], Incantation Might +(Incantation Might bonus gained from Mercuria's current [Cosmic Energy] x40%). If under [Critical DMG Up], Critical DMG +(Critical DMG bonus from Mercuria's [Cosmic Energy] x40%).
Recommended Psychubes
Where to Get
Teams with Mercuria
Lorelei, Mercuria and Shamane all tap into Crit — combining it across three kits at once outperforms any single carry doing it alone. Sonetto keeps the line-up alive with Shield so that payoff has time to land.
Teams →
Mercuria's Ultimate is the only kit in the roster confirmed to grant 【Rank Up】 to the whole team, and the same cast dispels enemy buffs while stacking party-wide Crit Rate — both feed straight into Argus, whose passive already locks in a guaranteed Crit and whose own second skill dispels the target's buffs independently, so the two dispels rarely whiff. Hissabeth adds a second wide Mental nuke that runs almost entirely off her own card engine, needing nothing from the other three to keep firing. Yenisei keeps all three offense-first kits alive long enough to land their bursts.
Teams →
