Cornelia is often seen as the greatest tank on DMM. With her skill and paladin passive it is understandable why. If you have her or Cellia they're probably going to be the best choice to kill the golem with since they tank less units than HAs and Cornelia's SAW lasts a lot longer than HA skills.

We still do not have the greatest selection of tanks yet on nutaku. HAs are nice but their skills do not last very long and they'll pick up 3 other units to smack them at the same time as the golem, which can be rather bad.