Ulu
Ulu is a 5★ Mineral Arcanist in Reverse: 1999. Below are the exact Insight materials needed to ascend them, plus other Mineral Arcanists to build alongside.
Data updated: 2026-07-11
Ulu — Review & Analysis
Ulu is a Mineral 5-star built around [Burn] — a hybrid burn-DoT dealer, team buffer and off-support rolled into one. Insight III auto-applies Burn to every enemy each round and Incantation II adds more, letting her self-sustain the damage-over-time and reach her Ultimate's 15-stack threshold alone. That Ultimate hands the whole team +15% DMG dealt and -15% DMG taken (doubled once the threshold is met), while Insight I quietly heals the party — making her a flexible engine that damages, buffs and sustains all at once.
- Team-wide Ultimate: +15% DMG dealt and -15% DMG taken for 3 rounds, with the DMG boost doubling once enemies carry a combined 15 stacks of Burn — a threshold she reaches on her own.
- Self-sufficient Burn engine: Insight III applies 3 stacks to all enemies at the start of each round and Incantation II adds 1–3 more, so the DoT keeps ticking without a second applier; Burn's Origin DMG scales with her ATK (4% per stack, up to 30), grinding down durable enemies over time.
- Doubles as off-healer and survivor: Insight I restores 8% of lost HP to the whole party each round when she strikes a burning foe, and Insight II cuts her DMG taken by 8% from the opening of battle.
- As a Mineral unit she is countered by Star enemies (Star beats Mineral) — losing the afflatus-cycle edge and taking extra damage against them.
- Heavily ramp-dependent: both the Ultimate's doubled buff and Incantation I's extra penetration need Burn stacks built up first, and since triggering Burn halves the stacks she must keep re-applying — weak in short fights or against Burn-immune targets.
Prioritise her Ultimate first — the team-wide DMG boost and damage reduction are Ulu's core value — followed by Incantation II, the AoE that seeds Burn and pushes toward the 15-stack threshold. Level Incantation I next if you run her as a damage source, to leverage its Mental-DMG nuke and penetration. Because both her Burn ticks and her Incantations scale off ATK, pair her with a Psychube that boosts ATK or Mental DMG; healing-focused gear is unnecessary since her party heal is a fixed % of lost HP.
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 | 1,538 | 2,334 | 3,913 | 5,835 | 6,864 |
| ATK | 241 | 367 | 614 | 916 | 1,077 |
| Reality DEF | 129 | 196 | 329 | 490 | 577 |
| Mental DEF | 128 | 194 | 326 | 486 | 572 |
| Crit Rate | 8.3% | 8.3% | 9.4% | 10.5% | 11.6% |
| Crit DMG | 142.4% | 142.4% | 144.1% | 145.7% | 147.4% |
Ulu — Skills & Incantations
Incantation I — Opening Ceremony
Incantation “Insight II: 1-target attack. Deals 400% Mental DMG. This attack gains Penetration Rate +35% against targets afflicted with 【Burn】.”
Incantation II — Beating Heart
Incantation “Insight II: Mass attack. Deals 300% Mental DMG to 2 enemies. After attacking, inflicts 3 stacks of 【Burn】 on the targets.”
Ultimate: The Final Ceremony — The Undying Flame, The Burning Heart
Ultimate “Insight I: Mass buff. All allies gain DMG Dealt +20% and DMG Taken -15% for 3 rounds. If enemies have 15 or more stacks of 【Burn】 in total, the DMG Dealt effect is doubled.”
Insight Legacy
Incantation “Insight III: At the start of the round, inflicts 3 stacks of 【Burn】 on all enemies.”
Shaping
Incantation “Insight III: At the start of the round, inflicts 3 stacks of 【Burn】 on all enemies.”
Skill Quotes
“Thousands of ceremonies.”
“Thousands of ceremonies, bursting with stunning displays of talent.”
“Thousands of ceremonies, some of the dangerous elements still remain.”
“The telling of the blazing fire.”
“The telling of the blazing fire, hard not to ramble incessantly.”
“The telling of the blazing fire, forever etched into memory—the birth of the first spark.”
“I was once a torch worshipped by thousands. Now, I am rekindled on the same land to burn forever.”
Insight Materials
Insight 1
Insight 2
Insight 3
Resonance Materials
All 14 Resonance levels
Recommended Psychubes
Where to Get
Teams with Ulu
Brume, Lopera and Lorentz Butterfly all carry the Burn tag — stacking Burn from three sources shortens the time-to-kill on a single target far more than one Burn dealer alone. Yenisei rounds the team out with Shield + Heal + Moxie support so the DoT window survives longer. None of the four needs a Euphoria to function.
Teams →
