If i remember correctly this is quite a nice alien for recon and ambush as he can burrow underground.
Putting it deeper inside, I became myself and scanned Kraab. At first I thought that nothing would work, because he is a robot, but no, it turned out that he is a cyborg. Apparently this is a race. Now I have access to the Kraab form, which is good.
The women gasped, as stars began to shine in her eyes, " Lo-Lord Leylin is coming here! He is visiting our branch. The Legendary 'Eternal Nightmare' Lord Leylin Farlier"