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Rotos the Lost Groom
Legendary Undead Hordes Magic Attack

Rotos the Lost Groom — guide

The Corrupted
VerdictLevel up
4.5/5
Speed90HP11895Defense1266Attack1520
Clan Boss4.5
Hydra2
Chimera4
Arena5
Dungeons4
Hard dungeons3
Doom Tower4
Faction Wars5
ArenaTop 5Top DPS
RAID GURU Editorial Updated: 22.10.2026 0 reviews

Guide: Rotos the Lost Groom

In short

Rotos the Lost Groom is a legendary Attack champion from the Undead Hordes, one of the strongest damage dealers in the game. With ignore DEF, revive block, and passive damage reduction, he dominates Arena and Faction Wars, while also excelling in Clan Boss and most dungeons. Build him as a priority; tomes are essential.

Strengths

  • Unique health mechanic: His A2 steals up to 60,000 max HP from enemies, boosting his own, while his passive caps incoming damage at 50% of his max HP.
  • Ignore DEF and revive block: A3 ignores 75% of DEF, as well as Unkillable and Block Damage; enemies killed by this skill cannot be revived.
  • Extra turns: A1 has a 30% chance for an extra turn, A3 grants one on kill, and his passive triggers an extra turn when damage is reduced by 50% HP.
  • Synergy with Siphi the Lost Bride: Together, he takes 30% less damage from bosses, and Siphi cleanses all debuffs from him every turn, allowing a pure damage build.
  • Self-sufficiency: Can solo Ice Golem and Dragon 20, and farm 12-3 Brutal campaign in Lifesteal set.

Weaknesses

  • Useless against Spider: The fight mechanics prevent him from shining.
  • Weak affinity for Fire Knight 20+: Affinity mismatch drastically reduces his damage, making him ineffective.
  • Book-dependent: Without cooldown reductions on A2 and A3, his performance drops significantly.
  • Vulnerable to crowd control: Without Immunity or Siphi, he can be locked down by stuns and freezes.

Where to use

Best areas: Arena (5.0), Faction Wars (5.0), Clan Boss (4.5). Great for Doom Tower (4.0), Dungeons (4.0), and Chimera (4.0). Nearly useless in Hydra (2.0) and higher Fire Knight stages (3.0). Top-tier campaign farmer.

Stats and gear

Stat priority: SPD (200+), C.RATE (100%), C.DMG (250%+), ATK% (4,000+), HP% (40,000+), ACC (200+) for Decrease DEF. With Siphi, ACC can be skipped in Arena. Recommended sets: Crit Damage, Lifesteal, Relentless, Savage, Cruel, Immortal. Use Lifesteal for soloing, Savage + Cruel for max damage, Relentless for extra turns.

Masteries and blessings

Mastery trees: Offense and Support. Key masteries: In For The Kill (extra turn on kill), Bloodthirsty Prowess (+12% damage at full HP), Invigorated (SPD & ACC at full HP), Gathering Momentum (SPD per dead ally). Blessings: Phantom Touch (bonus damage), Crushing Rend (ignore DEF), Ward of the Fallen (revive block).

Tomes

Booking is essential. Prioritize Vitality Plunder (A2) for the cooldown reduction, then Fated Destruction (A3) for its cooldown, and finally Terror Scourge (A1) for damage.

Verdict

Rotos is a top-tier versatile damage dealer capable of carrying almost all content. If you pull Rotos, especially alongside Siphi, consider the game beaten.

Build

Artifact sets
Crit DamageLifestealRelentlessSavageCruelImmortal
Key masteries
In For The KillInvigoratedFoekillerGathering MomentumPiercing StrikeConstant OnslaughtBloodthirsty Prowess
Blessings
Phantom touchCrushing rendWard of the fallen
Relics
Wand of SubmissionAspect of SirothGorecrescentThe DeathdealerDreadbomb
Best in
Al-NaemehArchon Amius

The build is a guideline: the first sets in the list fit most often. Adapt it to your artifacts and goals.

Skills

Skills

Scourge of Terror

Attacks an enemy. Has a 75% chance of placing a 60% Decrease DEF debuff for 2 turns. Also has a 30% chance of taking an extra turn.

Damage based on [ATK][HP] = 2 × [ATK] + 0.2 × [MAX HP]

Lvl 2 – Damage +5%
Lvl 3 – Damage +5%
Lvl 4 – Damage +5%
Lvl 5 – Damage +5%

Life Steal

Attacks an enemy. Decreases the target's MAX HP by 20%, then adds those points to their own MAX HP.

In a single battle, cannot remove more than 60% of a single enemy's HP. Cannot increase own MAX HP by more than 60,000. Does not reduce bosses' MAX HP. When using a skill against bosses, this Champion's MAX HP will be increased by 15,000.

Damage based on [ATK][HP] = 3.8 × [ATK] + 0.3 × [MAX HP]

Lvl 2 – Damage +10%
Lvl 3 – Damage +10%
Lvl 4 – Damage +10%
Lvl 5 – Cooldown -1

Doom Destruction

Attacks an enemy. Ignores 75% of the target's DEF. Also ignores Unkillable and Block Damage. If the enemy dies, takes an extra turn.

Enemies killed by this skill cannot be revived.

Damage based on [ATK][HP] = 2.2 × [ATK] + 0.2 × [MAX HP]

Lvl 2 – Damage +10%
Lvl 3 – Damage +10%
Lvl 4 – Damage +10%
Lvl 5 – Damage +10%
Lvl 6 – Cooldown -1

Oblivion (Passive)

Reduces the damage from an incoming hit so that it does not exceed 50% of this hero's MAX HP. The effect triggers once per attack. If the damage received was reduced by 50% of HP, the hero takes another turn.

Skill does not work against bosses.

Decreases the damage it receives from bosses by 15%. If Siphi the Lost Bride is on the team, decreases damage from bosses by 30%.


Character Ratings


Player ratings:                                           Current rating:


Clan Battles: 4.4

Clan Battles: 4.8

Arena Attack: 4.7

Arena Attack: 4.8

Campaign Chapters: 4.3

Campaign Chapters: 5.0

Spider's Den: 3.0

Spider's Den: 2.0

Dragon's Lair: 4.6

Dragon's Lair: 4.5

Arena Defense: 4.3

Arena Defense: 5.0

Minotaur's Labyrinth: 4.7

Minotaur's Labyrinth: 4.5

Lava Knight's Castle: 3.1

Lava Knight's Castle: 3.0

Arcane Keep: 4.5

Arcane Keep: 4.5

Spirit Citadel: 4.6

Spirit Citadel: 4.5

Force Citadel: 3.4

Force Citadel: 3.0

Dark Citadel: 4.6

Dark Citadel: 4.5

Faction Wars: 4.7

Faction Wars: 5.0

Ice Golem's Peak: 4.7

Ice Golem's Peak: 5.0


Tomes: Worth tomes in first place.

Auto-battle: Depends on the situation. It can start with either the second or third skill, but it mostly starts with its second skill.


MASTERIES (CAMPAIGN, ARENA, FACTION WARS)



MASTERIES (CAMPAIGN, FACTION WARS, CLAN BOSS, DUNGEONS)



Examples of stats and items:


ARENA, CAMPAIGN, FACTION WARS


Gear

Primary stat

Extra stat

Weapon

ATK

C.RATE/C.DMG, SPD, ATK%, ACC, RES

Helmet

HP

C.RATE/C.DMG, SPD, ATK%, ACC, RES

Shield

DEF

C.RATE/C.DMG, SPD, ATK%, ACC, RES

Gloves

C.RATE/C.DMG

C.RATE/C.DMG, SPD, ATK%, ACC, RES

Armor

ATK%, RES

C.RATE/C.DMG, SPD, ACC, ATK%,

Boots

SPD

C.RATE/C.DMG,

ATK%, ACC, RES

Ring

ATK

ATK%, HP%, DEF%

Amulet

C.DMG

RES, ACC

Banner

ATK, RES

ATK%, SPD, HP%


Suitable sets: Attack, Speed, C.RATE, C.DMG, Lifesteal, Immunity, Fierce, Savage, Cruel, Parry, Stubborn, Immortal, Deadly, Bloodthirst.


CLAN BOSS, DUNGEONS


Gear

Primary stat

Extra stat

Weapon

 ATK

 C.RATE/C.DMG, SPD, HP%, ACC

Helmet

HP

C.RATE/C.DMG, SPD, DEF%, HP%, ACC

Shield

 DEF

 C.RATE/C.DMG, SPD, DEF%, HP%, ACC

Gloves

C.RATE/C.DMG

C.RATE/C.DMG, SPD, DEF%, HP%, ACC

Armor

 ATK%

 C.RATE/C.DMG, SPD, DEF%, HP%, ACC

Boots

SPD

C.RATE/C.DMG, SPD, DEF%, HP%, ACC

Ring

 ATK, DEF

 ATK%, HP%, DEF%

Amulet

ATK, DEF, C.DMG

ATK,  ACC

Banner

 Accuracy, ATK

 ATK%, SPD, HP%, DEF%


Suitable sets: Speed, C.RATE, ACC, Lifesteal, Relentless, Bloodthirst.


Video guide link: https://www.youtube.com/watch?v=cWSuiPVWIak


Arena Gear


1) Rotos without Immunity on a team with Siphi.



2) Rotos in immunity after two fills.



3) Rhotos for Clan Boss and in Dungeons.


 


4) Rotos in a defense team for the Arena.



Bonus: The result the team achieved against the Ultra-Nightmare Clan Boss.



Approximate damage to a hero in the Arena.



Verdict: Rhotos is an excellent and very versatile Attack hero who performs well with different gear variations, in different locations.

One of the few who can solo the Ice Golem's Peak and Dragon's Lair at stage 20, and one of the few who can farm food in stage 12-3 of the Brutal campaign with a Lifesteal set. Performs excellently in Clan Battles in various teams, whether in a Counterattack team, an Ankyl team, or a speed team. Will help you dominate and rule in 3x3 Arena and Arena all the way up to the Platinum League. Against the Magma Knight up to stage 20, he can easily help kill the boss. But afterwards he becomes useless due to the affinity conflict. He starts hitting too weakly. Against the Spider Queen, unfortunately, he is useless. He can also serve as the main damage dealer in Doom Tower on hard difficulty.

If you have become the lucky owner of Rotos and Siphi the Lost Bride on your account, you can consider that you have practically beaten this game, as together they simply work wonders, and thanks to Siphi, Rotos can be geared for damage while ignoring RES and immunity. Siphi will remove all debuffs from him every turn.

Where to get

Sacred Shardmain source
Ancient Shardvery rare chance
Events and fusionsstay tuned

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