Pyramidium

Pyramidium
Rarity	Legendary
Type	Flying
Base Stats
	+13,500
	x57,500
	x63,455
	x18,150
Chances
1x	1e-05% (1 in 10,000,000 chance)
1.25x	1.25e-05% (1 in 8,000,000 chance)
2x	2e-05% (1 in 5,000,000 chance)
2.5x	2.5e-05% (1 in 4,000,000 chance)
4x	4e-05% (1 in 2,500,000 chance)
5x	5e-05% (1 in 2,000,000 chance)
8x	8e-05% (1 in 1,250,000 chance)
10x	0.0001% (1 in 1,000,000 chance)
Rarity	Mythic
Type	Flying
Mythic Base Stats
	+20,250
	x86,250
	x95,183
	x27,225
Chances
1x	5e-08% (1 in 2,000,000,000 chance)
1.25x	6.25e-08% (1 in 1,600,000,000 chance)
2x	1e-07% (1 in 1,000,000,000 chance)
2.5x	1.25e-07% (1 in 800,000,000 chance)
4x	2e-07% (1 in 500,000,000 chance)
5x	2.5e-07% (1 in 400,000,000 chance)
8x	4e-07% (1 in 250,000,000 chance)
10x	5e-07% (1 in 200,000,000 chance)
Rarity	Legendary
Type	Flying
Shiny Base Stats
	+27,000
	x115,000
	x126,910
	x36,300
Chances
1x	1e-07% (1 in 1,000,000,000 chance)
1.25x	1.25e-07% (1 in 800,000,000 chance)
2x	2e-07% (1 in 500,000,000 chance)
2.5x	2.5e-07% (1 in 400,000,000 chance)
4x	4e-07% (1 in 250,000,000 chance)
5x	5e-07% (1 in 200,000,000 chance)
8x	8e-07% (1 in 125,000,000 chance)
10x	1e-06% (1 in 100,000,000 chance)
Rarity	Mythic
Type	Flying
Shiny Mythic Base Stats
	+40,500
	x172,500
	x190,365
	x54,450
Chances
1x	5e-10% (1 in 200,000,000,000 chance)
1.25x	6.25e-10% (1 in 160,000,000,000 chance)
2x	1e-09% (1 in 100,000,000,000 chance)
2.5x	1.25e-09% (1 in 80,000,000,000 chance)
4x	2e-09% (1 in 50,000,000,000 chance)
5x	2.5e-09% (1 in 40,000,000,000 chance)
8x	4e-09% (1 in 25,000,000,000 chance)
10x	5e-09% (1 in 20,000,000,000 chance)

The Pyramidium is a secret Legendary pet in Bubble Gum Simulator. It could have been obtained by opening a 50th Update Egg. The chance of hatching it was 1 in 10 million (0.00001%), or 1 in 5 million (0.00002%) with the Lucky Chances gamepass.