Phantom Watcher

Added the Phantom Watcher entity with 500 HP and custom AI.

Two-Phase System: Experience the creepy "Stalker Phase" where the mob observes you from afar, and the aggressive "Boss Phase" for a final showdown.

Daytime Horror: Added ambient whispers, eerie winds, and random "stalker" appearances during the day.

Boss Mechanics: Custom purple Boss Bar, wall-climbing ability, high-speed movement, and "glitch" short-range teleportation.

Atmospheric Effects: Automatic darkness effect and destruction of nearby light sources (torches) during the boss fight.

Anti-Cheese System: Mining fatigue applied to prevent players from easily towering or digging to safety.

Custom Loot: Defeating the boss rewards the player with a Totem of Undying.

Complete set of custom sounds (.ogg) and textures for an immersive horror experience.