Capturable Monsters in HR2 and BL1 and BL3

I'm just wondering where to find the monsters in Holy Ruins2 and Baren Land 1 and 3. I have been thru these levels numerous times and cannot come across them. Any help would be appreciated. Thanks

[Shadehawk]

luck, Haypi made them extremely rare I guess

Ok thank you for your reply

[Shadehawk]

No problem

They do appear, after hearing many people say they couldnt find them I wen back through and found all of them. some took many times but I did find them