Talk:Blueprints/@comment-96.228.167.143-20130216205239/@comment-128.189.187.228-20130219044248

The other 3 prints you need to do assassination for that frames' boss to obtain and craft separately. The Excalibur print only allows you to combine the 3 pieces that are already crafted from the part prints.

In the case of Excalibur, his prints drop in the pluto's assassination mission.