Dude does nobody read any grimiore. The warlocks are not scared easily, they actively seek out demon creatures/monsters. They train in the art of quick, ruthless combat by any means necessary. Many times they are among the first into a raid and encourage others to join. As you said they are a bit secluded though and study books a lot. The reason from this being and i quote "warlocks know secrets that can shatter the reality of the battlefield"
Hunters like the wild and crucible, in many if the major battles they aren't present and often shy away. They do like violence as you said.
The Titan description is good though.
[spoiler]all of this is grimrioe based none of it involves the communities/my personal views so it may differ from you view[/spoiler]
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I read grimoire. This is humorous for a reason, no need to educate me on the generic personality of a Warlock. But like you said before. Your views differ from my own.