Best level 6 unit.

What does morality have to do with it? Have you ever seen a situation where all the monsters are completely demoralized at once? :D The path to victory isn't morality; morality is just one of the components of victory. Regarding the Psionic creatures, I'll say this: using this tactic, I could separate all the monsters, and then many wouldn't need to respond – that's not a plus for Psionic creatures, or I could scatter one Psionic creature among all the stacks of Scorpiocorps – someone is bound to trigger their ability... If you write like that, then try it yourself and post your opinion in this thread – and that will be your point of view on how to determine the best level 6 monster.