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Mercurial Banners Guide

SuperiorScore 99

9 Piece Variable Set. Equip 1-9 pieces for: RES +40; HP +15%; SPD +32%; Grants the wearer up to 3 Total Guard stack at the start of the Round; 9 PC adds 1 Total Guard stack at the start of the turn, if there are none present.

Accessory Banner Keep Rare+

Set Bonus

1 pc

RES +20

2 pc

HP + 15%

3 pc

SPD +8%

4 pc

Grants the wearer 1 Total Guard stack at the start of the Round. Each stack blocks all incoming damage and any associated effects.

5 pc

SPD +12%

6 pc

Grants the wearer 2 Total Guard stacks at the start of the Round. Each stack blocks all incoming damage and any associated effects.

7 pc

RES +20

8 pc

SPD +12%

9 pc

Grants the wearer 3 Total Guard stacks at the start of the Round. Each stack blocks all incoming damage and any associated effects. Also places a Total Guard stack at the start of this Champion's turn, if they have no Total Guard stacks.

Gear Review

Mercurial is the most powerful set in Raid, as of 2026, having displayed Stone Skin as the set to build around and with. The set shows its true power with 9 pieces, providing a regenerative Total Guard stack on every turn. While the stats favor Support champions, this has found use with champions of all types. This set can be used in all areas of the game, with stats that make it more versatile than Stone Skin. Keep exceptional rare pieces and farm Grim Forest often to collect enough great pieces.

Quick Answers

Best use

Best for All Around Banner builds where the primary stat fits the champion and the substats support Speed, Matching % substat: ATK %, DEF %, and or HP %.

Keep or sell?

Keep Mercurial Banners pieces at Rare rarity or higher when they roll the recommended stats.

Best stat pairings

The best Mercurial Banners pieces pair Attack, HP, Defense, Resistance, and Accuracy with Speed, Matching % substat: ATK %, DEF %, and or HP %. For accessories, the stat pairing matters more than the primary stat by itself.

Best substats

The best substats for Mercurial Banners are Speed, Matching % substat: ATK %, DEF %, and or HP %.

Where to farm

Mercurial Banners can be farmed from Grim Forest.

Rating factors

5 stars: Superior, score 99. Main factors: set bonus value, All Around use, recommended stat profile, and Rare+ keep threshold.

Accessory Details

Slot
Banner
Set

Mercurial

Primary Stats
AttackHPDefenseResistanceAccuracy

Substat Priority

Stats are listed in priority order.

SpeedMatching % substat: ATK %DEF %or HP %

Minimum Rarity To Keep

Rare

Found In

  • Grim Forest

Last updated