Apply a Fossilised Forelimb to your (Skeleton Type)

Wiki note: The title of this option varies with its number of arms and Torso Style and Menace qualities:
Apply a Fossilised Forelimb to your

Skeleton: Arms	Text
0	Armless
1	One-Armed
2	Two-Armed
3	Three-Armed
4	Four-Armed
5	Five-Armed
6	Six-Armed
7	Seven-Armed
8	Eight-Armed

Skeleton: Torso Style	Text
10, 15	Human
20	Thorny-Breasted
30	Seven-necked
40	Many-limbed
45	Segmented
50	Mammoth
55	Luminous
60	Baroque
70	Deep-water
80	Prismatic
100	Starved

Skeleton: Menace	Text
0	Creature
1	Animal
2	Beast
3	Monster
4	Monstrosity
5	Demon
6+	Abomination

A player-created Guide is available for this content: Assembling a Skeleton (Guide)

How are the above links here?

ID: 242536

Spoiler warning! This page contains details about Fallen London Actions.

From: Assemble a Skeleton

What a curiously-formed scapula! How exactly would that attach?

Game Instructions: This will always add at least one point of Antiquity to your skeleton, and two on success.

Unlocked with Skeleton: Limbs Needed, 1 x Fossilised Forelimb

Locked with Skeleton: Skulls Needed

Challenge information

Narrow, Monstrous Anatomy 10 (50% base)

• 6 and below - almost impossible (10%)
• 7 - high-risk (20%)
• 8 - high-risk (30%)
• 9 - tough (40%)
• 10 - very chancy (50%)
• 11 - chancy (60%)
• 12 - modest (70%)
• 13 - very modest (80%)
• 14 - low-risk (90%)
• 15 and above - straightforward (100%)
  

Success

Miraculous range of motion

It takes several attempts, but in the end you are able to reconstruct a creature with an astonishing range of motion in its arms, able to reach in almost any direction.

•  You've gained 2750 x Approximate Value of Your Skeleton in Pennies
•  You've gained 1 x Skeleton: Arms
•  You've lost 1 x Skeleton: Limbs Needed
•  You've lost 1 x Fossilised Forelimb
•  You've gained 2 x Skeleton: Antiquity

Failure

Wrong

The forelimb attaches, but there is something off about the way the shoulder blade connects to the rest of the torso. It is hard to believe the whole skeleton is of the same age.

•  You've gained 2750 x Approximate Value of Your Skeleton in Pennies
•  You've gained 1 x Skeleton: Arms
•  You've lost 1 x Skeleton: Limbs Needed
•  You've lost 1 x Fossilised Forelimb
•  You've gained 1 x Skeleton: Antiquity