anobsmods

Uncaps enchantment levels on anvils (up to 255). Includes configurable villager trades with uncapped levels.

Rare overpowered mob spawns with random enchants and potion effects that are beyond vanilla limits.

Many customizable Mob Events and AI behaviors aimed at making the game very difficult. Server-side only!

Extreme natural disasters like volcanoes and faults, earthquakes and sinkholes. Inspired by the general disasters mod. Includes experimental solar, flood, and snow apocalypses.

Economy system for factory mod packs. Includes JEI support, Jade support and market customization.

Mobs can use boats for navigation and attack while inside them! Only needed server-side!

Combine three potions into a stronger potion beyond vanilla limits.