Hammer Frame
Hammer Frame is a Heartless that appeared in Timeless River's construction section. As its name implies, it has a hammer like body and capable of dishing out wild attacks. Its main attack is continuously smacking the ground, creating shockwaves. One of the storyline sidequests includes defeating them before they completely break the chain supporting the hanged construction site.
After the first battle with Xemnas, they become slightly difficult to find; For the player's conset, they are found in small numbers at Beast's Castle.
A powered-up version of Hammer Frame appears in the Cavern of Remembrance.
Journal Entry
It taps the ground to create a sonic wave. Jump to avoid the wave and defeat it with combos.
When its HP gets low, it attacks with a series of tackles, so defeat it immediately!