What is the best way to farm for the Last Prism in Terraria?

Farming for the Last Prism in Terraria is a challenging but rewarding task, as it is one of the most powerful magic weapons in the game. The Last Prism is dropped by the Moon Lord, the final boss of Terraria, with a 11.11% drop rate. To efficiently farm for this item, you need to prepare thoroughly, optimize your character, and develop a strategy to defeat the Moon Lord repeatedly. HereÔÇÖs a detailed guide to help you achieve this.

First, you need to understand the mechanics of summoning and defeating the Moon Lord. The Moon Lord can be summoned by using a Celestial Sigil, crafted from 20 Solar Fragments, 20 Nebula Fragments, 20 Vortex Fragments, and 20 Stardust Fragments at an Ancient Manipulator. Alternatively, you can summon the Moon Lord naturally by defeating the four Celestial Pillars that appear after defeating the Lunatic Cultist. Once summoned, the Moon Lord is a formidable opponent with multiple phases and powerful attacks, so preparation is key.

To prepare for farming the Moon Lord, you should focus on optimizing your character for a magic build. The best armor for a magic user at this stage is the Nebula armor, which provides significant magic damage bonuses, mana regeneration, and the Nebula buffs that increase damage, life regeneration, and mana cost reduction. For weapons, the Nebula Blaze and Nebula Arcanum are excellent choices, as they deal high damage and synergize well with the Nebula armor. Additionally, the Lunar Flare and Razorblade Typhoon are strong alternatives. For accessories, prioritize items that boost magic damage, critical strike chance, and mana efficiency. Key accessories include the Celestial Emblem, Sorcerer Emblem, Mana Flower, and Celestial Cuffs. Wings, such as the Fishron Wings or BetsyÔÇÖs Wings, are essential for mobility, and the Master Ninja Gear or Shield of Cthulhu can help with dodging attacks.

Buff potions are crucial for maximizing your damage output and survivability. Use Magic Power Potions, Mana Regeneration Potions, Endurance Potions, Ironskin Potions, and Lifeforce Potions. Additionally, food items like the Exquisitely Stuffed or Seafood Dinner provide well-fed buffs that increase all stats. A well-prepared arena is also important. Build a long platform with campfires, heart lanterns, and honey pools for regeneration. Place Bast Statues for additional defense and use heart statues wired to timers for extra healing.

When fighting the Moon Lord, focus on his three main parts: the two hands and the head. Destroying these parts will reveal his core, which is his true weak point. Use homing or piercing magic weapons to deal consistent damage while avoiding his attacks. The Moon LordÔÇÖs Phantasmal Deathray is his most dangerous attack, so always be ready to dodge it by flying vertically or using the Rod of Discord to teleport. Keep moving to avoid his other attacks, such as the Phantasmal Spheres and Phantasmal Eyes.

Common mistakes to avoid include standing still for too long, which makes you an easy target for the Moon LordÔÇÖs attacks, and neglecting to manage your mana effectively. Always keep an eye on your mana and use the Mana Flower to automatically consume mana potions when needed. Another mistake is not having a proper arena, which can make the fight much harder. Ensure your arena is well-lit, has regeneration items, and provides enough space to maneuver.

Advanced techniques include using the Nurse NPC for quick healing during the fight. Place a bed in your arena and set your spawn point there, then summon the Nurse nearby. When your health is low, quickly talk to her and heal. This can save you from dying and resetting the fight. Another optimization is using the Spectre armor with the Hood for lifesteal, though this reduces your damage output compared to the Nebula armor. This can be useful if youÔÇÖre struggling with survivability.

Resource requirements for farming the Moon Lord include a steady supply of potions, ammo (if using magic weapons that consume mana), and materials for crafting Celestial Sigils. Farming the Celestial Pillars for fragments is a good way to gather these materials. Additionally, ensure you have enough healing items and mana potions for multiple attempts.

In summary, farming for the Last Prism requires careful preparation, a well-optimized magic build, and a solid strategy for defeating the Moon Lord. By following these steps, avoiding common mistakes, and using advanced techniques, you can efficiently farm for this powerful weapon and enhance your characterÔÇÖs capabilities in Terraria.