Battle Axe

Kong's axe is a battle axe used by Kong in Godzilla vs. Kong.

Appearance
The 207.4 foot long axe shares a great resemblance with a tomahawk, except it has a bone similar to femur as its handle and a Titanus Gojira dorsal plate as its blade. When charged the blade glows a bright blue and the handle glows a soft red. On the chinese poster for Godzilla vs. Kong, the axe handle appears to be made with a wood and the blade have a different format from the movie.

Capabilities
The axe is capable of absorbing and even storing both the energy radiating from the Earth's core as well as Godzilla's atomic breath to augment its strength. Then axe can release its stored energy when striking an object with sufficient force, which will produce a tremendous blast. It is also sharp enough to pierce through Godzilla's armored scales and the metallic body of Mechagodzilla. The axe can also be thrown to inflict damage and its side can shield against focused attacks.

Godzilla vs. Kong
While exploring the Hollow Earth, Kong found the axe embedded in the skull of an unidentified Hollow Earth Titan inside his ancestors' stronghold. Kong would proceed to use the axe in his second battle against Godzilla to great effectiveness. The axe allowed Kong to block and absorb Godzilla's atomic breath before using the absorbed energy to land a decisive blow on the reptilian Titan, knocking him unconscious for a brief minute. However, Godzilla managed to recover and disarm Kong of the axe and defeated him, securing his place as alpha Titan. When Mechagodzilla attacked, Kong retrieved the Axe and used it to fight alongside Godzilla. But since the axe's energy has been depleted, it was unable to do any lasting damage to the mecha. Fortunately, as Mechagodzilla attempted to kill Kong, Godzilla fired his atomic breath at the axe, recharging it and allowed Kong to dismember Mechagodzilla before destroying the mecha for good by tearing its head off. With the threat eliminated, Kong laid his axe down signaling an end to the feud between his kind and Godzilla's kind, as he and Godzilla acknowledged each other as allies.