How to Get Critical Deceleration in Warframe (2026): Where It Drops, Stats and Is It Worth It
Last Updated on September 18, 2026
Critical Deceleration is a rare shotgun (primary) mod: Critical Deceleration increases critical chance by 200% and reduces fire rate by 20% at max rank. The Orokin Vaults on Deimos: bring all four Dragon Keys, open the vault, and it is about a 4 percent roll per run, so budget ten to twenty runs or pay a few platinum on warframe.market. 200 percent crit chance on a shotgun; the fire-rate cut is nothing on a Kuva Hek or a Felarx.
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 | Shotgun (primary) |
| Rarity | Rare |
| Polarity | Madurai (V) |
| Drain at max rank | 9 (rank 5) |
| At max rank | +200% Critical Chance; -20% Fire Rate |
| Fastest route | The Orokin Vaults on Deimos: bring all four Dragon Keys, open the vault, and it is about a 4 percent roll per run, so budget ten to twenty runs or pay a few platinum on warframe.market. |
| On our builds | 7 of 242 weapon pages |
Table of Contents
The card
Tap it to unfold the full card at max rank.
Shotgun
Where it drops
Official drop table, best chance first.
| Where | Chance | Rarity |
|---|---|---|
| Derelict Vault | 4.17% | Rare |
Every other way to get it
| Source | How | Chance |
|---|---|---|
| Orokin Vault, Deimos (Dragon Key) | drop | 4.17% |
Weapons we put it on
Critical Deceleration is in the recommended build on these guides; the tile opens the full build with every mod card.
Tips that save runs
- Corinth (shotgun)
- Corinth Prime (shotgun)
- Kuva Hek (shotgun)
- Cannot be equipped with Blunderbuss.
- Critical Deceleration is additive with similar mods.
Mistakes that waste runs
- Players might try to equip it with Blunderbuss.
- Players might not consider the fire rate penalty.
- Players might not use it on shotguns with high base critical chance.