Reverse 1999 Isolde build guide: Skills, best Psychubes, Insight materials, and team

Isolde is a 6-star Reverse 1999 Arcanist who debuted in the version 1.7 update. She is a Spirit-type character who belongs to the Support class and deals Reality damage. The Arcanist has Burn, Support, and DPS tags in the title. Timekeepers can use her as an offensive support unit in their teams and take advantage of her buffs and debuffs during fights.

In this article, Timekeepers can get the recommended Psychubes, Insight Materials, and more for the best Isolde build in Reverse 1999.

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Reverse 1999 Isolde build guide: Skills Overview

Below are the skills of the Isolde in Reverse 1999:

• Twirling Melody: The Basic Skill, Twirling Melody, deals 150%/225%/300% damage to two enemies with one/two/three-star cards. The skill inflicts Burn debuff on enemies when hit. When she is in Interlude or Finale status, Twirling Melody gets a 30% boost in its Penetration Rate.
• Desired Freedom: It is her other Basic Skill, which inflicts mass debuff on enemies. Desired Freedom reduces enemies’ Critical defense by 25%/35%/50% with one/two/three-star cards. Additionally, it reduces enemies’ Reality Defense by 15% with cards of all ranks. If the enemies are in the Burn status, their Reality Defense reduces by 20%.
• Choking on Blood: It is her Ultimate Skill, which inflicts mass debuff on enemies during fights. Choking on Blood applies five stacks of Burn debuff on all enemies and an additional five on the selected one. Simultaneously, she grants one stack of Rousing Morale to all allies. After that, she casts Intermezzo as a follow-up attack to the selected enemy. The Intermezzo attack gains a 10% Incantation Might for every stack of Burn effect on the chosen enemy.

Explanation of effects

• Burn: Enemies affected by the Burn debuff take 15% less Healing. At the end of the round, it deals Genesis damage equal to 4% of Isolde’s attack (the Genesis damage can stack up to 30 times, multiple stacks of Burn are regarded as one Neg Status, and 50% of the Burn stacks when triggered).
• Intermezzo: It deals 50% Reality damage to all enemies. Additionally, Intermezzo deals 10% more damage for every Burn debuff stacked on enemies.
• Interlude: At the start of the round, the Arcanist gives three stacks of Preignition to all allies.
• Finale: At the start of the round, the Arcanist gives three stacks of Preignition and one stack of Power Burst to all allies. When the Burn debuff on enemies reaches six or higher, she casts Intermezzo as a follow-up attack.
• Power Burst: It gives a 25% Damage Bonus when attacking the enemies.
• Preignition: Each stack of Preignition inflicts one stack of Burn debuff to enemies before attacking.
• Prelude: At the start of the round, all allies get three stacks of the Preignition status effect.

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Reverse 1999 Isolde build guide: Best Psychubes

Recommended Psychubes for Isolde (Image via Bluepoch)

Below is the list of best Reverse 1999 Psychubes for Isolde in Reverse 1999:

• Knock on the Door: When the Arcanist attacks an enemy inflicted by the Burn debuff, her damage-dealing ability increases by 6% at Amplification Level 1. Additionally, her Intermezzo attack gets a 4% Incantation Might.
• Blasphemer of Night: At Amplification Level 1, she gets a 12% boost in her damage-dealing ability when she attacks the enemies with two or more Neg Status.
• Balance, Please: At Amplification Level 1, she deals 12% more damage, if she doesn’t have an elemental advantage over enemies.

Knock on the Door is the best Psychube for the 6-star Arcanist in Reverse 1999. Timekeepers can obtain and build it if they want to use the 6-star Arcanist in fights. They can use the other two Psychubes, Blasphemer of Night and Balance, Please, as an alternative.

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Insight Materials and Effects of Isolde in Reverse 1999

Isolde at Insight II (Image via Bleupoch)

Isolde’s Inheritance, Seven Veils, unlocks after upgrading her to Insight Level I. Here are the materials required to upgrade to each Insight Level and their effects:

Insight I: The Arcanist enters the Prelude status and inflicts three stacks of Burn on all enemies when starting battle. At the end of the round, Isolde gets Heat stacks equal to the number of Burn effects on enemies who lost the highest stacks of the debuff. The Prelude status effect transforms to the Interlude when Heat reaches 15 stacks.

Required Materials:

• Sharpodonty ✕ 18000
• Page of Plantal Vimen ✕ 3
• Page of Beastly Thirst ✕ 3
• Silver Ore ✕ 6
• Milled Magnesia ✕ 5

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Insight II: When the Arcanist enters the battle, she gets a 5% boost to her attack.

Required Materials:

• Sharpodonty ✕ 40000
• Scroll of Plantal Vimen ✕ 5
• Scroll of Beastly Thirst ✕ 5
• Esoteric Bones ✕ 6
• Golden Beetle ✕ 3

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Insight III: When she has 40 Heat stacks, the Interlude status changes to the Finale status.

Required Materials:

• Sharpodonty ✕ 200000
• Tome of Plantal Vimen ✕ 8
• Tome of Beastly Thirst ✕ 8
• Murmur of Insanity ✕ 6
• Serpent Scepter ✕ 3

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Best teammates for Isolde in Reverse 1999

Jiu Niangzi in Reverse 1999 (Image via Bluepoch)

Isolde plays as a Support and DPS Arcanist in Reverse 1999 teams. She works excellently with a team built around Burn Debuff. Additionally, her support skills become advantageous when paired with characters who deal Reality damage.

For DPS, Timekeepers can pair her with Beast-type Spathodea, Mineral-type Jiu Niangzi, Star-type 37, and Lilya. Mineral-type Balloon Party and Plant-type Sotheby can be healers in the team.