Trick Gun

 is a gun that alternates between a pistol and a shotgun upon reloading.

While in pistol form, bullets can ricochet off walls up to four times.

Trivia

 * This gun is a reference to the transforming trick weapons from Bloodborne.
 * The two main types of hunter firearms in Bloodborne are the pistol, and the blunderbuss, the same two weapons the Trick Gun transforms into.
 * Demon Hunter is both a reference to the main character in Bloodborne being a Hunter, and a reference to the first game in the whole series that came from Bloodborne, Demon's Souls in which you hunt down demons to take their souls.
 * The synergy is a likely reference to the fictional hunter Van Helsing.
 * The synergy is a reference to Bloodborne, wherein Insight is a mechanic that gradually lets one see things that are beyond perception.
 * The creature from the synergy strangely resembles the Interdimensional Horror, potentially meaning they are from the same species.
 * The synergy is a reference to Bloodborne, where the old blood refers to the blood of the Great Ones.