The second is the is the Fierce Diety Armor that allows you to do
sword beams in 4 directions and increases your attack power.
Along the same lines, some colossi can be a bit tough to find when they are hidden in an underground temple and
your sword beam doesn't do the best job of directing you to the entrance.
It allows you to use
your sword beams with the Noble Sword and Master Sword even if you don't have a full health bar.
If Link has
the sword beam, he can attack them from the far left corner of the chamber.
If you have
a sword beam, you can attack them from the far left corner.
Nintendo plans to release a free update on Dec 2, 2016 which includes a new area, the Den of Trials, containing 30 stages as well as two new outfits: Linebeck's costume allows players to see inside chests before opening them and Fierce Deity Armor offers powered up attacks and
a sword beam which splits in four directions.