I'm not an anime lover but I like some animes and create their objects, this is one of them. Ragnarok (if you don't know the anime) is an evil sword who eats human souls to get more power.
Step 1: First of all
1 piece of wood (50 cm or more lenght/ 15cm width)
2 cold porcelain or whatever for modeling
3 white adhesive tape
5 a broom stick
6 sand paper
7 tools for cut wood (I used a hacksaw)
10 the basic (scissors, pencil, ruler)
Step 2: The blade
after give the basic blade form, you will draw the line in the middle of the blade, using a rules or wathever like this
Step 3: The handle
apply too much glue and then connect the handle with the blade, apply pressure for almost a day and I screw the handle-blade union to ensure it
Step 4: The mouth
cold porcelain is a useful material for modeling, remember, before make the figure, put some glue in the surfaces (blade) and then put the cold porcelain to make the sword's mouth, this material will get solid in almost one or two days, it doesn't need to be baked this will get solid just waiting.
for the handle decoration I used cardborad, making a little box and then fill it with newspaper