Originally Posted by
Zeonix
It should actually be the other way around. As you tire, your offensive capabilities diminish leaving you only the capability to hold up a shield to block blows without really being able to retaliate. If you're too tired to hold up a shield, you're definitely too tired to thrust a spear or swing a sword outside of a hail mary attempt to neutralize a threat. It always requires more energy to assault than to defend, to include large scale offensive operations where you generally want something like a 5:1 ratio of attackers to defenders.