In the Wrath of the Lich King (WLK) version of World of Warcraft, the Large Blue Fireworks blueprint is an Engineering recipe that allows players to create large blue fireworks. Such fireworks can be used to celebrate holidays or at specific events. Here's how to get the large blue firework blueprint:
Answer: Purchase it from NPC Farel Starsong by spending 5 Ancestor Coins;
1. Go to Moonglade above Luna Lake (53.8, 35.3) to find Farel Starsong.
2. Use 5 ancestor coins to exchange for large fireworks design drawings here.
3. Open the design drawing to get the large blue fireworks drawing.
The above is the entire content of how to obtain the large blue firework drawings in WLK in "World of Warcraft". For more game guides, please click the source code website.