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How to Get Serration in Warframe (2026): Where It Drops, Stats and Is It Worth It

Serration increases the base damage of primary weapons, excluding shotguns, by 165% at max rank

Last Updated on September 14, 2026

The short answer

Serration is a uncommon rifle (primary) mod: Serration increases the base damage of primary weapons, excluding shotguns, by 165% at max rank. Every new account gets it free: The Teacher quest (Vor's Prize before 2025) puts it in your inbox, so nobody farms it. It is the first mod on every rifle and bow; rank it before anything else.

Reviewed September 13, 2026, current through Update 43.5. Stats are max rank from the live game data, drop chances from the official drop tables; this page is re-checked after every major patch.

Mod facts
Slot	Rifle (primary)
Rarity	Uncommon
Polarity	Madurai (V)
Drain at max rank	14 (rank 10)
At max rank	+165% Damage
Fastest route	Every new account gets it free: The Teacher quest (Vor’s Prize before 2025) puts it in your inbox, so nobody farms it.
On our builds	58 of 242 weapon pages

The card

Tap it to unfold the full card at max rank.

Serration

+165% Damage

Rifle

Where it drops

Official drop table, best chance first.

Where	Chance	Rarity
Mercury/Suisei (Spy), Rot C	8.6%	Rare
Venus/Vesper (Spy), Rot C	8.6%	Rare
Venus/Unda (Spy), Rot C	8.6%	Rare
Earth/Cambria (Spy), Rot C	8.6%	Rare
Mars/Arval (Spy), Rot C	8.6%	Rare
Ceres/Hapke (Spy), Rot C	8.6%	Rare
Phobos/Grildrig (Spy), Rot C	8.6%	Rare
Phobos/Shklovsky (Spy), Rot C	8.6%	Rare
Mercury/Apollodorus (Survival), Rot B	7.69%	Rare
Venus/V Prime (Survival), Rot B	7.69%	Rare
Venus/Malva (Survival), Rot B	7.69%	Rare
Venus/Kiliken (Excavation), Rot B	7.69%	Rare

Every other way to get it

Source	How	Chance
The Teacher quest	Inbox reward on completion (Vor's Prize before 2025)	100%
Spy missions, rotation C	Mercury, Venus, Earth, Mars, Ceres, Phobos	8.6%
Trading	A few platinum, or free from any veteran

Weapons we put it on

Serration is in the recommended build on these guides; the tile opens the full build with every mod card.

Tips that save runs

Faction Damage Mods on primary weapons for multiplicative stacking.
Primed Faction Damage Mods on primary weapons for even higher multiplicative stacking.
Heavy Caliber on primary weapons for additive stacking.
Serration damage is applied before any other damage type.
Every other damage increasing mod benefits from Serration.

Mistakes that waste runs

Players might not realize Serration's effect is calculated first, boosting subsequent elemental mods.
Players might prioritize maxing Serration alone, ignoring the cost efficiency of upgrading other mods simultaneously.
Players might not understand the difference between additive and multiplicative stacking with other damage mods.

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