Asteron

From Sonic Retro

Asteron (テルスター / Tellstar), a starfish-shaped badnik found in Metropolis Zone in Sonic 2, is found in the walls and normally can't be destroyed. When you approach, they begin to flash, then explode, with spikes flying in five different directions.

Technical Information

Game	Object ID #	Code offset	Mappings offset	Compressed art offset	Subparameters
Sonic the Hedgehog 2	$A4	$3899C	$38A96	$8B300 (Nemesis Format, 15 blocks)	$00