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Search the material or enemy name, then enable its markers. Choose the matching region and surface or underground layer.
Agent's Sacrificial Knife
Character and Weapon Enhancement Material
Agent's Sacrificial Knife
Character and Weapon Enhancement Material
Field route and alchemy
Fatui Pyro Agents can be tracked with the Adventurer Handbook
Dropped by Lv. 40+ Fatui Agents
Fatui Agents drop Sacrificial Knives; use Handbook tracking and convert lower tiers through alchemy.
SEE WHERE TO GO
Interactive location map
Interactive maps & location tools
GET STARTED
How to farm
- Track Fatui Pyro Agents from the Handbook.
- Navigate to each marked Agent and defeat it; clear nearby Fatui groups on the same route.
- Convert 3 lower-tier Sacrificial Knives into the next tier at an alchemy bench.
Sources & fact checks
Crafting & conversion options
Amounts below are for one recipe batch. Open an ingredient to find where to get it.
Alchemy crafting bench · Produces 1 × Agent's Sacrificial Knife
Sources & fact checks
Sources & rewards
Farming route
Field route and alchemy
Fatui Pyro Agents can be tracked with the Adventurer Handbook. Add each marked Agent to an existing Fatui route through Liyue and other regions.
Rate not listed
Enemy
Dropped by Lv. 40+ Fatui Agents
Agent's Sacrificial Knife
- Dropped by Lv. 40+ Fatui Agents.
- Meet any listed enemy-level condition. Spawn locations and per-defeat yields are not inferred.
Rate not listed
Shop
Stardust Exchange
Agent's Sacrificial Knife
- Check shop stock, unlocks, currency price and purchase limits in game.
- This entry establishes a purchase option, not unlimited repeatable stock.
Rate not listed
Enemy
Fatui Pyro Agent
Enemy reward preview
- Encounter the exact named enemy variant.
- Reward eligibility and material tiers can depend on enemy or world level.
- Preview count values are not treated as drop probabilities or guaranteed quantities.
Rate not listed
Rate not listed
Used for
Newest items appear first in each group. Quantities include all listed upgrades; costs vary by level or recipe.
Weapons 16
Fading TwilightAscension ×18↗× 18all upgrades
Lithic BladeAscension ×18↗× 18all upgrades
Summit ShaperAscension ×27↗× 27all upgrades
Blackcliff AgateAscension ×18↗× 18all upgrades
Blackcliff LongswordAscension ×18↗× 18all upgrades
Blackcliff WarbowAscension ×18↗× 18all upgrades
Crescent PikeAscension ×18↗× 18all upgrades
Dark Iron SwordAscension ×12↗× 12all upgrades
Emerald OrbAscension ×12↗× 12all upgrades
Lion's RoarAscension ×18↗× 18all upgrades
Primordial Jade Winged-SpearAscension ×27↗× 27all upgrades
RustAscension ×18↗× 18all upgrades
SlingshotAscension ×12↗× 12all upgrades
Solar PearlAscension ×18↗× 18all upgrades
White TasselAscension ×12↗× 12all upgrades
WhiteblindAscension ×18↗× 18all upgradesComponents & recipes 1
Inspector's Sacrificial KnifeAlchemy ×3↗× 3per craft or build