Mr. Duncan in Reverse 1999: Skills overview, best teammates, and Insight Materials

Mr. Duncan in Reverse 1999 is the upcoming 5-star Arcanist, debuting in the version 2.2 update, alongside Anjo Nala. He will be available to pull on the Longing For Innocence banner from January 9 to February 20, 2025. The Arcanist is of Beast Afflatus, deals Reality damage, and has DPS, Reaper, and Riposte tags in the title.

This article provides a detailed overview of Mr. Duncan’s skills and lists the best teammates and Insight Materials for him.

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Mr. Duncan in Reverse 1999: Skills overview

Mr. Duncan will debut alongside Anjo Nala in Reverse 1999 (Image via Bluepoch)

Here is the skills overview of Mr. Duncan in Reverse 1999:

• Deadly Ditty (Basic Skill 1): Deadly Ditty is a mass attack that deals Reality damage to enemies. He deals additional Genesis damage to the enemies with HP below a certain percentage.
• Battered Invention (Basic Skill 2): Battered Invention causes Mr. Duncan to counterattack enemies. It also grants Bullets and Veteran’s Arsenal and Mr. Duncan enters the Quick Draw status effect.
• A Veteran’s Regards (Ultimate Skill): A Veteran’s Regards deals damage to a single target. Its critical rate increases for every Bullet Mr. Duncan carries.

Explanation of Mr. Duncan’s status effects

• Quick Draw: If Mr. Duncan has a Bullet before receiving an attack, he launches a Rapid Counter-Fire attack.
• Rapid Counter-Fire: It is a single-target attack that deals Reality damage to the enemy attacking Mr. Duncan.
• Veteran’s Cartridge: It contains Acidic and Fragmented Bullet.
• Acidic Bullet: It decreases the enemy’s Reality defense after attacking (can stack).
• Fragmented Bullet: Mr. Duncan deals an additional Genesis damage based on his attack.
• Ceremonious: It increases Ultimate Might which can stack and is undispellable. The effect disappears after he casts his Ultimate.

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Mr. Duncan's Insight effects in Reverse 1999 (Image via Bluepoch)

The Inheritance or passive skill of Mr. Duncan in Reverse 1999 is Military Background. At Insight I, he gains a Ceremonious status effect whenever allies trigger a certain number of Bullets. At Insight II, his critical rate increases upon entering the battle.

He grants Bullet to allies from Veteran’s Cartridge, after scoring a critical hit or defeating an enemy at Insight III. He also gains Moxie after scoring several critical hits.

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Best teammates for Mr. Duncan

Lopera is one of the best teammates for Mr. Duncan (Image via Bluepoch)

Mr. Duncan in Reverse 1999 takes the role of a DPS or sub-DPS character. He performs excellently with Arcanists, specializing in dealing Reality damage. Here is the list of characters with which Mr. Duncan has an excellent synergy:

• Isolde (Spirit): DPS
• Lopera (Beast): Support
• J (Beast): DPS
• Semmelweis (Mineral): Support and Sub-DPS
• Lucy (Intelligence): DPS
• Ms. NewBabel (Mineral): Support

Timekeepers can use Vila of Plant Afflatus, Kakania of Plant Afflatus, and Tooth Fairy of Star Afflatus for the healer role.

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List of all Insight Materials for Mr. Duncan

Mr. Duncan deals Reality damage to enemies with his skills (Image via Bluepoch)

Here is the list of Insight Materials for Mr. Duncan in Reverse 1999:

Insight I materials

• Sharpodonty
• Page of Beastly Thirst
• Spell of Banishing
• Milled Magnesia

Insight II materials

• Sharpodonty
• Scroll of Beastly Thirst
• Perpetual Cog
• Biting Box

Insight III materials

• Sharpodonty
• Tome of Beastly Thirst
• Mistilteinn
• Wyrmling Skeleton

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That concludes our guide on Mr. Duncan in Reverse 1999.