Pact with a creature?

[fitsou]

Hallo
I would like to ask if it is possible to create a pact with a creature in second edition!
The perfect example is the pact of a human and a dragon in the game for PS2 Dragenguard!
What is the pro and the minus of such a pact, and in what book can I find the rule!

 

[airwalkrr]

Whatever the DM will allow!

(AD&D questions are so easy.)

 

[fitsou]

Thanks for the quick response, but that answer is not what I was looking for!
The whole pact idea is official? Is there a book with some rule or something else?
I am asking because my dm I only allowing official stuff.