Triple casting.

[STEP 3: Grinding: This part involves a lot of work. Now you have achieved a uniform thickness across the length of the blade. It is at this point; you create the edge and point of the sword. You should start with big power tools. Use the 6" belt sander, start with it as it will do most of the work for you. Afterwards, you can use a 1" belt sander to file.]

The whole process was meant to take around 3-7 hours, depending on the size of your sword, but because of the enchantments on the sander, it took close to an hour.

The forge had a special cooling system because of the heat that was generated by the furnaces, but it wasn't enough because Blake was sweating buckets.

The heat and the highly tasking physical actions like hammering were factors, but he couldn't care less because his full attention was on the grinding process to give it a plain level with an equal angle across the surface of the sword.