Isolde
Isolde 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
Isolde — Review & Analysis
Isolde is a Reality DPS built entirely around [Burn]: she piles burn stacks onto the whole enemy team, then detonates [Intermezzo] for AoE damage that scales with those stacks. She snowballs through [Heat], evolving from [Prelude] to [Interlude] to [Finale] and hitting harder at each stage. Beyond raw damage she doubles as a debuffer, shredding up to 50% Crit DEF and Reality DEF across the field while handing the team [Fervor] and [Burst Power] damage buffs.
- Strong AoE burst through [Intermezzo], with every [Burn] stack on the target adding extra Reality DMG (up to 20% per stack).
- [Burn] both ticks Origin DMG over time (4% ATK per turn) and cuts enemy healing by 15% — excellent against tanky or self-healing foes.
- Doubles as buffer/debuffer: Freedom of Will strips up to 50% Crit DEF and Reality DEF, and her Ultimate grants the whole team [Fervor] for +50% damage.
- Self-sufficient ramp: she applies [Burn] and builds [Heat] to [Finale] on her own, without leaning on a dedicated enabler.
- She needs time to stack [Heat] and [Burn] before reaching peak power — short fights or single-target checks blunt her.
- Heavily reliant on stacking [Burn]; enemies that cleanse status or resist ailments sap her damage.
- Her Spirit Afflatus stands outside the counter cycle — no enemy type gives her a matchup edge either way.
Level her Ultimate first (mass [Burn] application + team [Fervor] + the [Intermezzo] detonation), then her main attack The Circling Hum. Every Insight/Casting rank boosts the per-[Burn]-stack Reality DMG of [Intermezzo], so those are well worth the investment. For Psychubes, favor ATK plus Incantation Power / Crit to push her Reality damage — healing-oriented Psychubes are a poor fit.
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 | 1,552 | 2,356 | 3,949 | 5,889 | 6,927 |
| ATK | 251 | 381 | 639 | 952 | 1,120 |
| Reality DEF | 126 | 191 | 319 | 475 | 559 |
| Mental DEF | 117 | 178 | 297 | 443 | 520 |
| Crit Rate | 9.1% | 9.1% | 10.3% | 11.5% | 12.7% |
| Crit DMG | 143.7% | 143.7% | 145.4% | 147.3% | 149.1% |
Isolde — Skills & Incantations
The Circling Hum
Incantation “Insight II: Mass attack. Deals 300% Reality DMG to 2 enemies. Inflicts 2 stacks of 【Burn】 on the targets hit. When in the 【Interlude】 status, gain Penetration Rate +30% for this attack. When in the 【Finale】 status, gain Penetration Rate +50% for this attack.”
Freedom of Will
Incantation “Insight II: Mass debuff. Inflicts Critical DEF -50% and Reality DEF -15% (-20% to targets in the 【Burn】 status) on all enemies for 2 rounds.”
The Final Rite — As Blood Rushes to the Throat
Ultimate “Insight II: Mass debuff. Inflicts 5 stacks of 【Burn】 on all enemies and an additional 5 stacks of 【Burn】 on the main target, grants 1 stack of 【Rousing Morale】 to all allies, and then casts 【Intermezzo】 as a follow-up attack on the targets. For every excess stack of 【Burn】 on the main target, this 【Intermezzo】 gains Incantation Might +15%.”
Insight Legacy
Incantation “Insight III: When entering battle, enter the 【Prelude】 status and inflict 3 stacks of 【Burn】 on all enemies. At the end of the round, when the highest enemy 【Burn】 stack resolves and loses stacks, gain an equal number of 【Heat】 stacks in turn. When holding 10 stacks of 【Heat】, the 【Prelude】 status changes to the 【Interlude】 status.”
Skill Quotes
“I sing and twirl.”
“I sing and twirl on stage.”
“I sing and twirl on stage, for there is no place for me other than the stage.”
“I dance.”
“I dance to recount my story.”
“I dance to recount my story, so that others may hear me.”
“I hereby relieve you!”
Insight Materials
Insight 1
Insight 2
Insight 3
Resonance Materials
All 14 Resonance levels
Euphoria
Branch 1
[Intermezzo] New Effects Added: For every stack of [Burn] on the target, this attack gains Incantation Might +1.5%, counting up to 30 stacks of [Burn]. At 100/200/300 points of [Lingering Glow] or above, this attack gains an additional Incantation Might +10%/20%/30%; at 300 points of [Lingering Glow] or above, this attack gains Penetration Rate +30%.
[Intermezzo] New Effects Added: Deals an additional 2% Reality DMG for every point of [Lingering Glow]; at 150 points of [Lingering Glow] or above, grants Moxie +1. [Prelude], [Interlude], and [Finale] New Effects Added: 5%/10%/15% of the [Lingering Glow] points depleted at the start of the round will be reaccumulated after the next cast of [Intermezzo].
Recommended Psychubes
Where to Get
Teams with Isolde
Isolde and Spathodea both pair Burn with Crit — igniting a target then critting the burning DoT window multiplies total damage. J adds a second Burn tag plus Shield/Riposte for frontline durability. Yenisei sustains. Isolde, J and Spathodea all require their Euphoria to reach this ceiling.
Teams →
