Help improve it by adding in what you know, or look at the request below for specific details.
Block is an ability panel in Kingdom Hearts 358/2 Days. The first version of it is called Block-2 and is obtained after the player completes Mission 07: Collect Hearts. The second version, Block-4, can be bought at the Moogle Shop.
Although the blocking itself functions the same as guarding in other Kingdom Hearts games, there are a lot of link panels that can be linked to the block panel to, for example, cause status effects to an enemy.