Red Dragon Archfiend
DARK 8

Red Dragon Archfiend

  • Archetype:
  • Archfiend

  • ATK:
  • 3000

  • DEF:
  • 2000

  • View:
  • 10774




1 Tuner + 1 or more non-Tuner monsters After damage calculation, if this card attacks a Defense Position monster your opponent controls: Destroy all Defense Position monsters your opponent controls. During your End Phase: Destroy all other monsters you control that did not declare an attack this turn. This card must be face-up on the field to activate and to resolve this effect.




 
 
AI Power Analysis
Boss/End-boardConfidence: HighEvaluated Oct 6, 2026
62± 6/ 100
Power Score
Intrinsic 63
Deck 68

Red Dragon Archfiend — Power Evaluation

Final Score: 62 ± 6 · Confidence: High

  • Intrinsic: 63 · Deck: 68 · Meta: provisional
  • Primary role: Boss/End-board · Secondary: Board breaker, Removal

Why it scores here

Red Dragon Archfiend is a Level 8 Synchro that serves as the end-board payoff in Resonator and Archfiend combos, appearing in 100% of recorded combo chains at power index 100. Its 3000 ATK and destruction effects provide board control, but the mandatory End Phase effect—destroying all unattacked monsters—severely restricts field flexibility and forces a narrow attack pattern to avoid self-destruction. It excels in its homes (79–100% inclusion) but lacks direct search or material conversion paths, making it a strong situational finisher rather than a universal power card.

Axis scores

Axis Score Evidence
Accessibility 72 Accessed only as the end state of synchro summons in Resonators/Archfiends (79–100% inclusion there), not via search or direct summon (0% searched-for role in combos). (observed)
Combo & Conversion 70 Completes power-100 combos as the 60% payoff piece but does not extend further; 4-body end boards in examples show it is the capstone, not a starter. (observed)
Resource Economy 55 Costs 2+ cards to summon (1 Tuner + materials) and grants a net board of 1 body, then the End Phase effect destroys unattacked monsters unless they all attack. (verified)
Effect & Interaction 58 Destroys opponent's Defense Position monsters and unattacked own monsters, providing removal but no hard negation or proactive interaction. (verified)
Material Utility 62 Level 8 DARK Dragon body serves as generic material if negated, but 0% use as material in combos suggests the card is too central to repurpose once summoned. (verified)
Resilience & Flexibility 45 The End Phase effect creates a forced attack requirement; unattacked monsters are destroyed, severely limiting field preservation and recovery options. (verified)
Deck-Building Efficiency 75 Splashes across 51 archetypes with no garnet risk in synchro homes; 1–2 copies typical and multiple copies are acceptable. (observed)

Calculation

Weight profile: Boss/End-board primary role. Intrinsic ≈ 63, Deck ≈ 68, Meta = provisional. Modifiers: Self-locking End Phase effect (-4). Final formula: 0.40*Intrinsic + 0.60*Deck, then -4 for self-locking End Phase effect

Strengths

  • Completes high-power (100-index) synchro combos reliably
  • Removes opponent's Defense Position monsters automatically on attack
  • Splashable across 51 distinct archetypes with primary homes at 79–100% inclusion
  • Legal in all four major formats (TCG, OCG, MasterDuel, DuelLinks)

Weaknesses

  • Mandatory End Phase self-destruction forces all-out attack or complete board wipe
  • No search access; only summoned as the end result of multi-card synchro lines
  • Effect interaction is removal-only; provides no negation or hard disruption
  • Reliant on synchro materials; not directly searchable or recursible from graveyard

Counters / choke points

  • Negation of synchro summon prevents field access entirely
  • Targeting removal during opponent's turn (if unattacked on End Phase)
  • Board-wipes or field-wide removal that trigger before End Phase
  • Deck-building constraints that prevent all-monsters-attack patterns

Best use

End-board boss, DEF monster removal. Decks: Resonator, Archfiend, Bystial/Byssted. Suggested copies: 2.

Evidence & gaps

  • Verified: Level 8 Synchro, requires 1 Tuner + 1+ non-Tuner monsters (card text); Destroys all opponent Defense Position monsters after damage calculation (card text); Destroys unattacked own monsters during End Phase; must be face-up to activate (card text); Legal in TCG, OCG, MasterDuel, DuelLinks (card.formats); ATK 3000, DEF 2000, DARK Dragon attribute (card properties); Appears in 400 decks with 51 distinct archetypes (deck data); Appears in 5 recorded combos as 60% payoff piece (combo data)
  • Observed: 100% inclusion in Resonators (deck 17), 79% in Resonator (642), 69% in Archfiend (799) (usage statistics); Average 1.53 copies per deck; 196 decks run 1 copy, 196 run 2 copies, 8 run 3 copies (deck data); Top co-deck partners are The Crimson King (89.2%), Crimson Call (77%), Soul Resonator (75.5%) (deck data); All 5 combos featuring this card have power index 100 (combo data.examples); Mentioned in 6 guides as Extra Deck core and boss piece (guide data); Never appears as starter (0%), never searched (0%), never used as material (0%) in recorded combos (combo data)
  • Inferred: End Phase effect severely restricts board flexibility, requiring all monsters to attack or be destroyed (card text + game rules); Level 8 body serves as generic Synchro/Xyz/Link material if negated (card properties + game rules); Synchro requirement (not search/summon) limits accessibility compared to boss monsters with direct summon routes (combo evidence); Broad 51-archetype usage indicates generic synchro compatibility, though primary homes are Resonators and Archfiends (combined evidence)
  • Data gaps: Limited combo sample (5 total) compared to deck sample (400); larger dataset would strengthen payoff-role confidence No banlist information provided; assumed unlimited (3 copies legal) Guide context primarily Vietnamese; English-language archetype documentation would strengthen meta understanding Top-card ranking data absent; card is not flagged top-card status in any format











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