CharactersupportingBossesRequiredHard

Rellana’s Twin Moon KnightMajor dungeon boss and progression gate at Castle Ensis

Rellana’s Twin Moon Knight is the major boss at Castle Ensis in Elden Ring: Shadow of the Erdtree. She fights with paired blades, combining rapid melee strings with Carian sorcery and fire attacks.

Role
Major dungeon boss and progression gate at Castle Ensis
Status
Available in Elden Ring: Shadow of the Erdtree
Importance
supporting
Rellana’s Twin Moon Knight
Elden Ring · character art
01

Key takeaways

These are the practical points to understand before entering the boss arena.

01

Expect a close-range duel

Rellana’s paired swords produce fast, multi-hit strings. A single successful dodge does not always end the danger; wait until the sequence has clearly finished before committing to a counterattack.

02

Track both elemental weapons

Her magic- and fire-associated blades give her attacks different threat profiles. Do not assume that blocking or dodging one side of a combo has placed you outside the next hit.

03

Prepare for the halfway transition

The fight becomes more dangerous at approximately half health, when Rellana empowers her weapons and gains stronger magical pressure. Entering the transition with no healing or defensive reserve makes the second phase considerably less forgiving.

04

Distance is not automatically safety

Ranged characters still need to react to sorcery and advancing attacks. Creating space is useful for resetting the fight, but standing at long range without a plan can invite projectiles and moon attacks.

05

The reward has build value

The remembrance can be taken to a remembrance-exchange service for a unique reward, making the boss worthwhile even for players who do not intend to use a paired-blade playstyle.

02

Rellana’s Twin Moon Knight overview

Rellana’s Twin Moon Knight is the principal boss encounter at Castle Ensis, one of the early major legacy-dungeon challenges in Elden Ring: Shadow of the Erdtree.

Rellana is encountered at the end of Castle Ensis, in the castle’s enclosed boss arena. Reaching her requires progressing through the fortified route, crossing the castle’s interior and exterior sections, and passing the point where the dungeon’s normal enemies give way to the boss fog. The fight is not a roaming encounter: once the player enters the arena, Rellana remains the central threat and the battle is built around reading her close-range sword chains rather than clearing a group of enemies.

Her defining feature is the paired-blade moveset. Rellana can attack from both sides of the player, chain slashes together quickly, and cover short distances with advancing attacks. The two weapons also support different elemental themes: one side is associated with magic and the other with fire. This makes simply circling her at close range less reliable than it is against a single-weapon opponent, because her attack strings can change direction and combine physical pressure with elemental follow-ups.

The encounter changes substantially after Rellana reaches roughly half of her health. Her swords become empowered, expanding the danger of several existing attacks and adding more conspicuous magical patterns to the fight. The second phase is therefore not just a faster version of the opening: players must preserve enough healing, defensive resources and summon support to handle a longer sequence of area-denial attacks while still identifying the safe openings between her sword combinations.

Defeating Rellana clears the principal combat obstacle in Castle Ensis and awards a remembrance associated with the Twin Moon Knight. The fight matters to players deciding whether to explore the castle immediately because its reward is valuable for character builds that use a remembrance exchange, while the battle itself tests skills that remain useful throughout the expansion: avoiding delayed magic, responding to elemental weapon buffs, and punishing an aggressive boss only after the end of a complete attack string.

Rellana is distinctive within the expansion’s early progression because her presentation combines a highly mobile dual-sword duel with a phase transition based on sorcery and fire. The safest general approach is not to trade blows continuously. Instead, stay close enough to recognize her melee tells, move out of the path of the longer strings, and return damage during recovery animations; at a distance, be ready for magical projectiles and attacks that punish passive healing or prolonged ranged play.

Her exact health value, resistance table, poise data, damage values and the full numerical scaling of her attacks are not established by the supplied source material. Those values should be verified against an in-game data source before publication rather than inferred from the encounter’s apparent difficulty.

03

Where Rellana fits in progression

ApproachCross Castle Ensis
Boss arenaEnter the fog gate
Phase transitionRellana empowers her weapons
RewardClaim the remembrance
  1. 1Castle Ensis approachlocationExplore the legacy dungeon and reach its final arena.
  2. ●Rellana’s Twin Moon KnightbossDefeat the Twin Moon Knight in the castle arena.
  3. 3Remembrance exchangerewardUse the resulting remembrance for one of its available rewards.

Rellana is positioned as the major combat conclusion of Castle Ensis.

04

Requirements and preparation

No fixed level, weapon or quest prerequisite is confirmed in the available source material. Preparation should focus on surviving rapid melee strings and the phase-two elemental and magical escalation.

  • RequiredReach Castle EnsisThe boss is encountered at the end of Castle Ensis, so the player must progress through the dungeon before attempting the fight.
  • RecommendedA way to survive repeated melee hitsUse the defensive approach appropriate to the build, such as reliable dodging, guarding, or a summon that can safely draw pressure. Rellana’s paired weapons make careless trading especially costly.
  • RecommendedA response to magic and fireThe encounter includes both magic- and fire-associated attacks. Defensive buffs, resistances or equipment suited to the player’s build can reduce the consequences of a mistake, but no specific item is required by the supplied information.
  • RecommendedA phase-two reserveKeep enough healing, FP, stamina and consumables for the empowered portion of the battle rather than spending every resource during the opening phase.
  • RecommendedA punish window planDecide in advance whether the build will counterattack after a long combo, use a charged attack during recovery, or reset at range. Repeatedly attacking during the middle of a string is the least reliable option.
05

Encounter phases

Spoilers

Story spoilers ahead. This section covers the character’s later arc and outcomes.

06

Boss strategy

Spoilers

Story spoilers ahead. This section covers the character’s later arc and outcomes.

07

Strategy

Spoilers

Story spoilers ahead. This section covers the character’s later arc and outcomes.

08

Pre-fight checklist

  • Confirm the Castle Ensis route to the boss fog is understoodA failed attempt should not require relearning the dungeon path.
  • Choose a primary response to rapid melee stringsDecide whether the build will dodge, guard, use a shield skill or rely on summon distraction.
  • Keep defensive resources for phase twoDo not spend every flask, FP resource or consumable during the first half of the fight.
  • Prepare for both magic and fire pressureUse suitable resistance or defensive equipment if the build has access to it.Optional
  • Equip the intended summon or support before enteringAvoid opening a menu in the arena while Rellana is approaching.Optional
  • Leave room for a safe healPlan to heal after a recovery animation or from clear distance, not immediately after any dodge.
09

Weaknesses and damage

Weaknesses and damage

Strengths

  • Rellana’s paired swords give her strong close-range coverage and let her continue pressure after the player avoids the first swing.
  • Her advancing attacks reduce the safety of simply retreating in a straight line.
  • The phase transition adds magic and fire pressure, making the second half harder to handle with a single defensive plan.
  • Her attack strings can punish players who spend all stamina on offense or heal without first creating distance.

Weaknesses

  • Her longer committed sequences can leave recovery windows if the player waits for the complete pattern instead of interrupting early.
  • Large moon-based attacks are telegraphed more clearly than many ordinary sword strikes, giving the player time to reposition when the tell is recognized.
  • The encounter rewards lateral movement and timed evasion more than passive backing away, because her approach attacks can close space quickly.
  • No verified damage-type weakness or resistance ranking is available in the source pack, so a specific element should not be presented as a guaranteed counter.

Best uses

  • Fast weapons can take advantage of short recovery windows, provided the player stops after a controlled punish.
  • Heavy weapons and charged attacks are best reserved for clearly confirmed recoveries rather than attempted trades during her strings.
  • Ranged attacks and spells can work when fired after a committed move, but maximum-distance play still requires responses to projectiles and advancing attacks.
  • Summons or other aggro support can create opportunities to learn phase-two tells, though the player should not assume that support will survive the entire encounter.
10

Failure conditions

Spoilers

Story spoilers ahead. This section covers the character’s later arc and outcomes.

11

Rewards and drops

Spoilers

Story spoilers ahead. This section covers the character’s later arc and outcomes.

12

Lore

Spoilers

Story spoilers ahead. This section covers the character’s later arc and outcomes.

13

Entities connected to the encounter

  • Castle EnsisLegacy dungeon and location of the boss arena.
  • Remembrance of the Twin Moon KnightBoss remembrance obtained after victory.
  • Rellana’s CameoA remembrance-associated reward connected to Rellana.
  • Rennala, Queen of the Full MoonRellana’s sister and a related Carian figure.
15

Trivia

  • Rellana’s encounter combines two elemental weapon identities rather than assigning both blades the same damage theme.
  • Her name and title create a deliberate parallel with Rennala, Queen of the Full Moon, while the boss fight’s moon imagery gives that connection a visual presence.
  • The boss is encountered in Castle Ensis, making the legacy dungeon’s final arena a meeting point between Carian-related lore and the military history of the Realm of Shadow.
  • The remembrance reward preserves the same twin-blade and moon motifs that define Rellana’s combat presentation.
  • The exact numerical values for health, damage, resistances and poise are omitted here because they were not supplied for verification.
16

Frequently asked questions

Where do you fight Rellana’s Twin Moon Knight?
Rellana is fought in the boss arena at the end of Castle Ensis in Elden Ring: Shadow of the Erdtree.
How many phases does Rellana have?
The encounter has two broad phases. The second begins at approximately half health, when Rellana empowers her paired weapons and introduces stronger moon-based magical pressure.
What weapons does Rellana use?
She fights with paired blades. One weapon is associated with magic and the other with fire, and both contribute to her close-range attack strings.
What is the safest time to attack Rellana?
Attack after a complete sword sequence or another clearly committed move has ended. Avoid treating the first missed swing as the end of the combo, because the second blade and elemental follow-ups can still connect.
Is Rellana weak to a specific damage type?
No specific weakness is verified in the available source material. A resistance and damage-type table should be checked before making a build-specific recommendation.
What does Rellana drop?
She awards Remembrance of the Twin Moon Knight and Runes. The remembrance can be exchanged for a unique reward associated with her.
Should ranged characters stay far away?
Not exclusively. Distance can help with some melee strings, but Rellana also uses magic and advancing attacks, so ranged players still need to watch her tells and fire during confirmed recovery windows.
Why is the second phase difficult?
The weapons become empowered and the encounter adds more conspicuous moon-based magic. This increases the importance of positioning and makes resource management during the first phase especially important.
17

Relationships

Location
Rewards
Lore

Select any portrait to jump to that relationship

Rewards
RO

Remembrance of the Twin Moon Knight

Awards

Defeating Rellana awards this boss remembrance.

RC

Rellana’s Cameo

Related reward

A unique reward associated with exchanging Rellana’s remembrance.