Edward Newgate's Bisento

Edward Newgate's main choice of weapon is shown to be a Bisento, a giant and heavy spear-like weapon.

Abilities
With Whitebeard's immense skills and powers, the bisento was strong enough to clash with Shanks' saber, which caused the heavens to split. Also, the bisento is extremely durable, as it stopped Akainu's magma attack without melting.