Apply a Knotted Humerus to your (Skeleton Type)

Wiki note: The title of this option varies with its Implausibility, Torso Style, and Menace qualities:
Apply a Knotted Humerus to your

Skeleton: Self-Evident Implausibility	Text
0	Authentic
1	Almost Believable
2	Mildly Questionable
3	Questionable
4	Very Questionable
5	Somewhat Incredible
6	Incredible
7	Beyond Incredible
8	Laughable
9	Plainly Fake
10-14	Brazenly Fake
15-20	Flamboyantly Fake
20+	Fantastic

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: 242480

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

From: Assemble a Skeleton

It takes work to convince anyone that this is natural.

Game Instructions: It will be harder to do this convincingly if the skeleton has fins. The Knotted Humerus will increase the Amalgamy of your skeleton by one.

Unlocked with Skeleton: Limbs Needed, Knotted Humerus

Locked with Skeleton: Skulls

Challenge information

Narrow, Mithridacy 5 (50% base)

• 1 and below - almost impossible (10%)
• 2 - high-risk (20%)
• 3 - high-risk (30%)
• 4 - tough (40%)
• 5 - very chancy (50%)
• 6 - chancy (60%)
• 7 - modest (70%)
• 8 - very modest (80%)
• 9 - low-risk (90%)
• 10 and above - straightforward (100%)
  

The difficulty rating is 5 + Skeleton: Legs + Skeleton: Fins.

Success

A few tells

An expert might catch you out, but otherwise, it looks as though this came from a strangely amalgamous creature.

•  You've gained 300 x Approximate Value of Your Skeleton in Pennies
•  You've lost 1 x Skeleton: Limbs Needed
•  You've lost 1 x Knotted Humerus
•  You've gained 1 x Skeleton: Arms
•  You've gained 1 x Skeleton: Amalgamy

Failure

Hard to imagine

You try to arrange the arm in a convincing position, but the bend at the point of knotting makes it look like it's reaching in the wrong direction, no matter what you do.

•  You've gained 10 x Approximate Value of Your Skeleton in Pennies
•  You've lost 1 x Skeleton: Limbs Needed
•  You've lost 1 x Knotted Humerus
•  You've gained 1 x Skeleton: Arms
•  You've gained 1 x Skeleton: Amalgamy
•  You've gained 2 x Skeleton: Self-Evident Implausibility