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human
[Dragon Age: Origins] Why can't the Warden utilize everyone in his group?

I'm a fletcher in Redcliffe, and a few weeks ago, we were being attacked by these undead monstrosities from the castle. Apparently the Arl's son was a mage, I guess the chantry is right about them.

Anyway, after being terrorized for the third night, this Grey Warden showed up asking for an army to fight the blight. Now the blight is bad, but Bann Teagan kinda set the Warden straight that we currently had our own problem going on. The Warden agreed the help us fight these things. Helped out a lot, got the good-for-nothing dwarf Dwyn and his lackey's to fight, even convinced Lloyd to fight. But the night of the attack, the Warden shows up with only 3 of his companions, another Warden, an Orlesian redhead, and some woods woman who I swore turned into a wolf.

What's the deal? I know the Warden has more people at his disposal. He's got a mage from the Circle travelling with him, I know that 'cause she helped the Arl's son. He's got some dwarf warrior with a big axe, a mabari, even one of those big kew-nari blokes. Where were they during the fight. My cousin Ted died fighting that night. Ted never fought a day in his life, he just dredged the lake, he did. If what mage was there that night, she coulda fixed him up before he turned over. A lot of lives could have been saved if we had more men. What was the Warden thinking? Why would he go into battle without all his men by his side. What army does he hope to get from Redcliffe if the whole village is dead?
gpt
The Warden has to use his companions for a variety of task.  He usually chooses to travel 3 of his companions as a group of bodyguards/advisers, when he is trying to help with a particular problem.  His other companions are doing various tasks at this time.  Most likely his other companions were off scouting the area to make sure that other enemy forces weren't approaching.  The Warden's companions are incredibly talented and they are probably the only people that could scout in small numbers and survive in the case of a Darkspawn attack.  While, it did unfortunately weaken the defense of Redcliffe it was a prudent military move that could prevent a greater military defeat.