After the meeting with the Realm Ruler, Alex was on cloud nine because now he knew where to find the sword he needed, and while the path to it was quite challenging and would take time, it was still easier than he expected it to be.
Alex did not clearly understand the value of his legacy sword or the unknown dark blade, but he knew they were both of immense value because if their value was not clear to him by their mysterious origin, it was made clear once he learned about the Tesseract Collection.
The Tesseract Collection was an artifact that was a treasury that held artifacts of all forms and nature, from extinct creatures sealed in cryonics ready to released to the world or weapons of immense value taken from pivotal moments throughout the history of the cosmos.