Gilgamesh Build Guide: Best Weapons, Relics, and Teams | HSR 4.4

If you’ve been searching for a true Lightning hyper-carry who wields divine power and world-shaking damage, your search ends here. Gilgamesh is a 5-star character following The Destruction path. He doesn't just attack—he commands the battlefield, punishing enemies with merciless follow-up assaults and ignoring their defenses like they’re made of paper.

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This isn't a typical damage dealer who waits for their turn. The King of Heroes operates on a unique "Interest" mechanic. While your team fights, he watches and judges. When sufficiently entertained, he hijacks the turn order to unleash devastating Lightning DMG with his Skill. This makes his playstyle feel incredibly aggressive and interactive. He’s not just a carry; he’s a hard-hitting main DPS who dictates the flow of combat, specifically designed to punish enemies with high DEF through his built-in shred mechanics. If you want a unit that feels overwhelmingly powerful, Gilgamesh is your guy. Let’s break down how his royal kit works.

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How Do Gilgamesh's Skills Work?

Understanding his abilities is key to mastering his rotation. Gilgamesh’s kit is all about building “Interest” to take extra actions and amplifying his Ultimate damage through his allies. Think of him as a king judging a performance—the more your team acts, the more entertained he gets, and the faster he delivers the final verdict.

• Basic ATK: Halfhearted Blow
  A standard single-target jab. It’s the default action he takes while waiting for his “Interest” stacks to build. Don't expect flashy numbers here; it's just a tool to generate SP.
• Skill: King's Treasure
  This is his primary nuke and the core reason you're playing him. First, he grants himself "King’s Acknowledgement," allowing him to ignore 30% of the target's DEF for 3 turns. Then, he deals massive Lightning DMG to a single target (200% ATK) and splash damage to adjacent enemies (100% ATK). This skill is the only thing he'll use when he enters his special state, so max it.
• Ultimate: Enuma Elish
  The full might of the treasury. He deals an initial AoE blast of 400% ATK, followed by 10 random instances of 40% ATK Lightning DMG. It’s a total of 800% ATK against a single target, making it a devastating finishing move. The random bounces ensure it shreds both bosses and cleanup duty.
• Talent: "Amuse Me to the Fullest"
  The heart of his kit.
  1. King’s Burden: When an ally uses their Ultimate, Gilgamesh gains a stack, boosting his Ultimate DMG by 40% for 3 turns.
  2. Interest System: Whenever an ally takes action, he gains 1 point of "Interest." At the start of his turn, if he has 10 or less Interest, he uses a Basic ATK. Once he hits 10 points, he instantly consumes all 10 stacks to act immediately and enters the "Interest Piqued!" state, forcing him to cast his powerful Skill. This is a 100% action advance mechanic.
• Technique: Enkidu
  Creates a special dimension that freezes overworld enemies. Entering combat against trapped foes immediately grants him 3 points of "Interest," giving you a head start on his rotation.

Optimal Combat Rotation

To maximize his potential, follow this rotation logic in combat:

1. Open the Fight: Use his Technique to start with 3 Interest stacks.
2. Battery Phase: Let your supports and sustain units take their turns. Use their Ultimates to stack "King’s Burden" on your carry.
3. The Trigger: Keep an eye on his Interest counter. He needs his allies to act 7 more times to hit the magic number 10.
4. Burst Window: Once he hits 10 Interest, he instantly cuts in line and casts his Skill. Since he has "King’s Acknowledgement" up, this attack ignores a chunk of enemy DEF.
5. The Cleanup: Immediately after his Skill, if his Ultimate is ready (likely with the help of his Trace), unload Enuma Elish for catastrophic AoE and bounce damage.

Skill Priority

• Skill = Ultimate > Talent > Basic ATK
  Maxing his Skill and Ultimate is non-negotiable for maximizing your burst window damage.

What is the Best Weapon for Gilgamesh?

Choosing the right Light Cone makes a colossal difference. His signature weapon is perfectly tailored to his kit, but there are workable alternatives.

• Best-in-Slot: I Am As You Behold (5-Star)
  This is his signature Light Cone, and it's absurdly strong. It provides 18% ATK and 10% Energy Regeneration Rate.
  • Synergy: It increases Ultimate DMG by 10% of Energy consumed (up to 60%). Since Gilgamesh has a high Max Energy, every Enuma Elish becomes a tactical nuke. Additionally, after using his Ultimate or entering battle, he grants all allies 25% CRIT DMG via "King’s Entertainment." This turns him into a hyper-carry who also provides team-wide crit buffs.
• Alternative Option: A Thankless Coronation (5-Star)
  A solid stat stick if you lost the 75/25. It provides 36% CRIT DMG. When the wearer uses an Ultimate, it boosts ATK by 40% (up to 80% if Max Energy >= 300) and generates flat Energy. Since your carry easily meets the Energy threshold, the double ATK buff is significant for his Skill, though it lacks the team utility of his signature.
• Free-to-Play Option: On the Fall of an Aeon (5-Star)
  Available from the Herta Shop. This Light Cone stacks ATK% on attack, up to a massive 32%, and grants a 12% DMG buff when you break an enemy. While the Break condition isn't always active, the stacked ATK% makes it the best F2P choice to get his stats off the ground. It doesn't touch his Energy needs, so you'll rely more on gear sub-stats.

Which Gear and Stats Maximize Gilgamesh's Damage?

To outfit a god-king, you need gear that harnesses his innate hunger for Crit and Energy. Forget standard DPS sets if you want to see the biggest numbers.

• Best Relic Set: Scholar Lost in Erudition
  • 2-Piece Bonus: Increases CRIT Rate by 8%.
  • 4-Piece Bonus: Increases Skill and Ultimate DMG by 20%. After using an Ultimate, your next Skill deals an additional 25% DMG.
  • Synergy: This set is non-negotiable for the optimal build. His rotation inherently involves using his Ultimate into his Skill (or vice versa), perfectly aligning with the 4-piece timing for maximum burst.
• Planar Ornaments: Cosmic Life Sciences Institute
  • Effect: When Max Energy is 200 or higher, increases DMG dealt by 0.2% for every point over, up to 32%.
  • Synergy: Gilgamesh has a very high Max Energy cap, making this the absolute best sphere/rope set. It provides a colossal, unconditional DMG% boost that far outscales generic ATK sets.

Main & Sub-Stat Priority

When hunting for relics, this is your priority order. Don't deviate unless your substats are godly on a mismatched piece.

• Body: CRIT Rate (Aim for 70%+ to ensure consistent nukes).
• Feet: ATK% (He doesn't need SPD boots; his talent gives him free turns).
• Planar Sphere: Lightning DMG Boost.
• Link Rope: ATK% (He needs raw stats more than Energy Regen Rope due to his Trace mechanics, unless you find you're consistently short of his Ultimate by a sliver).

Sub-Stat Priority:

1. CRIT Rate / CRIT DMG (Maintain a 1:2 ratio).
2. ATK% (His multipliers are massive, so this is almost as valuable as crit).
3. SPD (Nice to have, but not essential).
4. Break Effect (Usable, but definitely a dump stat here).

What Are the Best Team Comps for Gilgamesh?

Your captain needs a crew worthy of his presence. He relies heavily on allies taking actions to build Interest, so characters with fast turns, Follow-Up Attacks, or team-wide Ultimates are essential.

1. The Royal Court (Premium Hyper-Carry)

• Saber (Main DPS)
• Gilgamesh (Sub-DPS/Synergy Partner)
• Mortenax Blade (Debuffer/Sub-DPS)
• Huohuo (Sustainer/Buffer)

Synergy Breakdown: This is his ultimate thematic and functional comp.

Saber is the perfect partner. Her frequent attacks build stacks for her Joint Follow-Up ATK with Gilgamesh. When she hits 3 attacks, they launch a combined assault (400% Lightning + 600% Wind DMG), and the main DPS gains 3 Interest instantly. She is a battery that also deals absurd damage.

Mortenax Blade is the debuffer. His Ultimate reduces enemy DEF by 30% and increases damage taken by 50%, while his Zone grants a massive 75% Ultimate DMG buff if he's the only Nihility (which he is here). Your carry’s Enuma Elish will hit numbers you didn't think were possible.

Huohuo is the sustain and battery. Her Ultimate regenerates a percentage of every ally’s Max Energy, which in turn procs Gilgamesh’s Talent, stacking his "King’s Burden" Ultimate DMG buff and granting him extra Energy. She keeps the team clean and the rotations fluid.

2. The Chrysos Heirs' Endurance (Zone Control/Ultimate Spam)

• Gilgamesh (Main DPS)
• Mortenax Blade (Debuffer/Sub-DPS)
• Tribbie (Support/Sub-DPS)
• Hyacine (Sustainer)

Synergy Breakdown: A tankier, zone-dominated setup.

Tribbie provides team-wide 24% All-Type RES PEN with her Skill, and her Ultimate creates a Zone that makes enemies take 30% increased DMG while dealing bonus hits after allies attack. Her frequent Follow-Up ATKs generate even more Interest stacks.

Mortenax Blade again provides his unparalleled DEF reduction and damage amplification Zone. The RES PEN from Tribbie stacks multiplicatively with his DEF shred, tearing apart any defense.

Hyacine is a high-speed, HP-scaling healer who keeps the team alive through high pressure. Her memosprite constantly heals and launches AoE damage based on total healing done, making her a surprisingly effective clean-up hitter while the party stays immortal.

What Materials Are Needed to Upgrade Gilgamesh?

Gathering the royal treasury requires foresight. Here is the exact ascension cost to bring him to his final form.

• Ascension Materials:
  • 308,000 Credits
  • 65 Thunder Strum
  • 15 Extinguished Core / 15 Glimmering Core / 15 Squiring Core
• Skill Trace Materials (for 6/10/10/10):
  • 2,197,500 Credits
  • 6 Tracks of Destiny
  • 9 Guardian's Lament
  • 12 Four Phases, Crossing the River to Check the King
  • 53 Sixen, King-Rook Fork
  • 101 Omnicolor, Fool's Own
  • 33 Extinguished Core / 46 Glimmering Core / 28 Squirming Core
• Signature Weapon Materials (I Am As You Behold):
  • 385,000 Credits
  • 4 Four Phases, Crossing the River to Check the King
  • 12 Sixen, King-Rook Fork
  • 15 Omnicolor, Fool's Own
  • 20 Extinguished Core / 20 Glimmering Core / 14 Squiring Core

Which Constellations (Awakenings) Are Worth Getting?

Eidolons take a king and make him a god. Here’s the verdict on how far to go.

Best Stopping Point: E2 is the sweet spot. It completely transforms his gameplay loop and frontloads his monstrous damage. If you're a dolphin, E2 is the goal. E6 is for those who wish to see every enemy erased instantly.

Is Gilgamesh Worth Building?

Absolutely, and the fact that he’s a free unit only sweetens the deal. Gilgamesh is one of the most generous gifts the game has ever handed out, and he arrives with the toolkit of a premium Lightning hyper-carry. His “Interest” mechanic lets him ignore SPD entirely and take free, devastating turns, while his built-in 30% DEF ignore ensures his Skill and Ultimate hit like a truck even against tanky bosses. You don’t need to win a 50/50 or drain your Stellar Jade savings to claim him—just complete his event or story unlock, and the King of Heroes joins your roster at no cost.

That said, he still demands investment. He won’t carry you on auto-pilot. You absolutely need to build a fast, synergy-driven team around him; pairing him with slow, SP-hungry units will make his rotations feel painfully sluggish. He’s also naturally squishy, so a strong sustainer like Huohuo or Hyacine is mandatory to keep him upright through extended fights. If you’re willing to farm his best-in-slot relic sets, chase his Signature Light Cone (or grab his E1), and assemble the right court of supports, he will reward you with some of the highest Lightning burst damage in the game. For new players, he’s an instant account anchor who clears story content with ease. For veterans, he’s a free power spike that might just outperform your gacha carries in single-target and blast scenarios. Simply put, there’s zero reason not to build him—just be ready to put in the work, and this hero will carry your account for a very long time.

Frequently Asked Questions (FAQ)

Q: Why does my Gilgamesh feel so slow compared to other DPS units?

A: This is likely a team composition issue. Gilgamesh's SPD stat is deceptive because he relies on his "Interest" stacks to act. If your other party members are slow (low base SPD) or you're not using supports with action advance or extra turns, it takes much longer for him to hit 10 stacks. Use allies like Saber or Tribbie who can take multiple actions quickly to speed up his rotation.

Q: Is "On the Fall of an Aeon" a good replacement for his signature weapon?

A: It's a decent F2P stat stick for raw ATK, but you'll miss out significantly. His Signature Weapon provides Energy Regeneration, which smooths his rotations, and grants 25% CRIT DMG to the whole team. With the F2P option, you must invest heavily in Energy Rope or CRIT sub-stats to achieve a comparable fluidity. It works, but he won't feel like the true King of Heroes without his royal treasury.

Q: Is it mandatory to pair him with Saber?

A: Not mandatory, but they are the most potent Joint Attack duo currently in the game. Saber was designed to perfectly battery him, providing massive extra damage and free Interest stacks with their unique Team-Up attack. You can replace her with another frequent attacker, but you will lose the specific "I Grant You Permission To Strike" mechanic, which is a huge portion of their combined DPS output. Think of them as two halves of a singular, world-ending engine.