Thief's Mark – Hollow Knight: Silksong Tool Guide
RISK-REWARD ROSARY FARMING ENHANCEMENT
A Yellow Tool that increases Rosary drops by ~60% but causes you to lose some when taking damage. Perfect for skilled farmers seeking maximum efficiency.

IMPACT STATS
ACQUISITION
Travel to Blasted Steps and find Grindle's shop in the upper-left area. You'll need Beast Crest and Charge attack to access the area early, or wait for natural progression.
DESCRIPTION
Thief's Mark increases Rosary drops from defeated enemies by approximately 60% (base effect, up to 80% with upgrades). However, when you take damage, you lose about 15-20% of your current Rosaries. This creates a high-risk, high-reward farming tool perfect for skilled players.
MECHANICS & EFFECTS
Rosary Drop Increase
Base +60% Rosary drops from defeated enemies. Upgrades via Tool Pouch can increase this to 80% or higher.
Damage Penalty
When taking damage, lose 15-20% of current Rosaries. This makes it risky but highly rewarding for skilled players.
Best Use Cases
Safe farming areas like Choral Chambers, low-threat exploration zones, and areas where you can avoid taking damage consistently.
ADD TO BUILD PLANNER
Plan your perfect farming build with Thief's Mark and other tools
ECONOMY & FARMING TOOLS COMPARISON
Tool | Slots | Act | Economy | Risk | Cost | Notes |
---|---|---|---|---|---|---|
Thief's Mark | 1 | 1 | 5/5 | High | 350 | +60% drops, lose on damage |
Magnetite Dice | 1 | 1 | 3/5 | None | 200 | Pickup range, no penalties |
Architect Crest | 2 | 2 | 4/5 | Medium | 500 | Farming build synergy |