Ok got to level 50 and I feel too lazy to do a full guide today so ill just summarize it.
What you need to do for dragon strike but you need to start off from your faction; talk to the injured worker in the dragon place and bring him 100 night castle scrolls 100 fish steak, he'll give you a scroll. Second part talk to the paramedic in night castle and bring him 50 bandit teeth and 50 tounges, he'll give you another scroll. Go back to your faction and complete the quest and get your skill. The skill has two colors; chaos shoots red and order shoots green.
If you want to max the skill by level 50; just hit level 41 and save all your skill points. By level 50 you'll have 20 skill points saved. Dragon strike only cost 19 skill points to max, so... yeh, you get 1 free skill point...
I guess I know this was a lazy guide but w/e im not in the mood