From Sonic Retro
|Games: Sonic the Hedgehog 2 (16-bit), Sonic the Hedgehog Pocket Adventure, Sonic the Hedgehog 4: Episode II|
Balkiry, referred to as Valkyn (バルキーン) in the Japanese manual, are like red bird jets from the 16-bit version of Sonic the Hedgehog 2 found in Sky Chase Zone. They don't attack directly; they just charge quickly from the other side of the screen. Hit them anywhere to get rid of them.
|Game||Object ID #||Code offset||Mappings offset||Compressed art offset||Subparameters|
|Sonic the Hedgehog 2||$9C||$37A82||$37B62||$8BC16 (Nemesis Format, 25 blocks)||$00|
|Sonic the Hedgehog 2 (16-bit)|
|Sonic the Hedgehog Pocket Adventure|
|Sonic the Hedgehog 4|