Genshin Impact / Weapon

Moonpiercer

Polearm · 43.7349 · Elemental Mastery · 4★

Genshin Impact hub →

Details Upgrade costs Sources

Stats & requirements

Weapon: Polearm
Rarity: 4
Base ATK: 43.735
Secondary stat: Elemental Mastery
Introduced: 3.0

Starting stats (before equipment)

ATTACK: 43.735
SPECIALIZED: 24

Upgrade & material costs

Choose a track to see each purchased step and the total material bill. These totals cover the listed steps; character EXP and unlisted costs are separate.

Weapon ascension0 → 6

Total for the listed steps

Mora150,000

Oasis Garden's Reminiscence3

Chaos Storage15

Recruit's Insignia10

Oasis Garden's Kindness9

Chaos Module18

Sergeant's Insignia15

Oasis Garden's Mourning9

Chaos Bolt27

Lieutenant's Insignia18

Oasis Garden's Truth4

Step by step

Upgrade	Gate	Materials
0 → 1	Lv. 20 / Rank 15	Mora × 5,000Oasis Garden's Reminiscence × 3Chaos Storage × 3Recruit's Insignia × 2
1 → 2	Lv. 40 / Rank 25	Mora × 15,000Oasis Garden's Kindness × 3Chaos Storage × 12Recruit's Insignia × 8
2 → 3	Lv. 50 / Rank 30	Mora × 20,000Oasis Garden's Kindness × 6Chaos Module × 6Sergeant's Insignia × 6
3 → 4	Lv. 60 / Rank 35	Mora × 30,000Oasis Garden's Mourning × 3Chaos Module × 12Sergeant's Insignia × 9
4 → 5	Lv. 70 / Rank 40	Mora × 35,000Oasis Garden's Mourning × 6Chaos Bolt × 9Lieutenant's Insignia × 6
5 → 6	Lv. 80 / Rank 50	Mora × 45,000Oasis Garden's Truth × 4Chaos Bolt × 18Lieutenant's Insignia × 12

Weapon refinement1 → 5

Total for the listed steps

Moonpiercer · R1 sacrifice copy4

Mora15,000

Step by step

Upgrade	Gate	Materials
1 → 2		Moonpiercer · R1 sacrifice copy × 1Mora × 1,000
2 → 3		Moonpiercer · R1 sacrifice copy × 1Mora × 2,000
3 → 4		Moonpiercer · R1 sacrifice copy × 1Mora × 4,000
4 → 5		Moonpiercer · R1 sacrifice copy × 1Mora × 8,000

Sources & image credit

Reference snapshot: 24 October 2026.

HoYoverse / COGNOSPHERE

REFERENCE INDEX

All weapon entries →Read about Genshin Impact →

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Kaeya’s early scenes make conversation feel like a test with a smile attached. His Cavalry Captain’s confidence helps him steer the Traveler, while his selective candor makes every exchange feel like it might have another move.

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Barbara, Amber, Kaeya: learning Genshin Impact's elemental handoffs

Elemental reactions make party switching meaningful by letting one character’s application shape what the next can do. Understanding that handoff offers a practical way to plan a team without relying on rankings or complicated damage claims.

Game guide · 4 min

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Visual analysis · 3 min