This is post-LD version of game Abandoned . It is in 3D and available for download only (no browser version), and has less levels.
Arrows - move
X - whistle (call creature)
Z - attack (using creature's power)
Abandoned in the dungeon, you've met mysterious creature. It is wounded and loses his life while moving. But it goes on your whistle and may blast your enemies with light.
And you need it to pass the exit light well.
So try to keep it alive.