Yes, in DKS General Raze can teleport to healing chambers if he is blocked, etc, or even in the middle of a Thousand Strikes attack. I once had him run to a healing chamber, still slumped over from the effect of a Stun Arrow. In the original release of D2:ED you could use your creature and the walking armours to block his path, and could defeat him that way even without disabling the chambers. In DKS I tried some of the same techniques with my ranger that I used in D2:ED with my warrior, with little effect. I had to quickly disable both chambers, fire off an explosive arrow and then jump in to finish him off with close range Splitting Arrows before the chambers reactivated.
