Grandmaster Key (Cosmetic)Grandmaster Key

Grandmaster Key

CosmeticC/CRod SkinCollectible
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Proto value
N/A
TrueVal value
S$1M – S$6.75M

Grandmaster Key is a C/C rod skin in Fisch, valued at S$1M to S$6.75M TrueVal. It has no Proto value yet. Its C/C rarity is 3/5. It sold in the shop for 999 Robux from 27 July to 2 August 2025.

In-game description
“Rune-etched, it unlocks the cosmos' secrets with a single touch. [Designed by @vexationaire]”
C/C Rarity
3/5
Value set
10 Nov
2 days ago

TrueVal value trend

LowTrueValHigh
S$3.875MNo change in 30 daysNow

Proto has no value history yet.

Good to know

LegendaryAdded in Update 1.42.0
Shop price
999Robux
How to get
Obtained fromShop
FitsGreat Rod of Oscar
On sale27 July to 2 August 2025

About this item

TrueVal Low
1M
TrueVal High
6.75M
C/C Rarity
3 / 5

What players say about Grandmaster Key

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