Make an Ability for each things it does. Since you didn't tell me what any of that means, I'd suggest something along the lines of the following, but with appropriate Ranks and Descriptions put in.
Grapple Swing
Movement
-Removable
A grappling hook attached to his shield. Can be launched out to attach to high-points, so he can swing from place to place.
Grapple Grab
Debuff
-Ranged
-Removable
He can use the grappling hook to bind his foes, limiting their movement until they free themselves.
Grapple Throw
Move Object
-Ranged
-Removable
Instead of binding an opponent, he can use his grapple to snatch them up and throw them somewhere else.
Shield
Protection
-Removable
A defensive shield with a variety of attachments.
Saw
Damage
-Removable
A saw attached to his shield that can be used to slash foes.
Hammer
Damage
-Removable
A hammer attached to his shield that can be used to smash foes.
Spartan Burst
Damage
-Affects Multiple
-Removeable
An attack that hits everyone within the area.
