Royal Gel

Slime pacification and King Slime treasure

Obtained from the Treasure Bag dropped by King Slime in Expert Mode or Master Mode. When worn, all non-boss slimes become passive and neutral toward the player. Slimes will not pursue, target, or deal contact damage to the character, allowing players to walk unharmed among gelatinous swarms during subterranean mining expeditions, jungle excursions, and surface travel. This neutral behavior applies even if the player attacks or damages surrounding slimes during resource gathering.

Caving utility and boss encounter limitations

While Royal Gel is convenient for early exploration, rendering dangerous Spiked Slimes, Mother Slimes, and Underworld Lava Slimes harmless, it offers zero defensive protection against actual bosses like King Slime or Queen Slime. Consequently, players should swap it out for combat accessories such as Feral Claws or a Cobalt Shield before boss fights. Reforging to Warding adds 4 defense, while Menacing boosts all outgoing damage during combat.

Trivia

• Lava Slimes rendered neutral by Royal Gel will not spill dangerous lava pools upon death in Expert Mode.
• Does not pacify winged Slimers, Gastropods, or slime-themed boss encounters.