The Engineer Rank gives you access to various commands:

• /pc (opens your Pokémon PC)
• /pokeheal (heals the Pokémon in your Party)
• /he ctable (Crafting Table)
• /he hat (Puts whatever item you're holding on your head)
• /he anvil (Anvil)
• /he smithtable (Smithing Table)
• /he feed (Feeds the player)
• /he echest (Ender Chest)
• /nickname (Colorful)

You also gain access to the Engineer Kit, which consists of:

• 64x Rare Candy
• 64x Poké Ball
• 64x Great Ball
• 64x Ultra Ball
• 64x Andesite Alloy
• 64x Zinc Ingot
• 64x Brass Ingot
• 64x Polished Rose Quartz
• 4x Bottle Cap
• 3x Ability Capsule
• 16x PP Up
• 5x HP Up
• 5x Protein
• 5x Iron
• 5x Calcium
• 5x Zinc
• 5x Carbos
• 1x Super Glue
• 1x Diamond Grit Sandpaper
• 1x Bottle Cap (HP)
• 1x Bottle Cap (Attack)
• 1x Bottle Cap (Defence)
• 1x Bottle Cap (Sp. Atk)
• 1x Bottle Cap (Sp. Def)
• 1x Bottle Cap (Speed)

You get the following rewards on Purchase:

• 1x Netherite Traveler's Backpack
• 1x Iron Tier Upgrade
• 1x Gold Tier Upgrade
• 1x Diamond Tier Upgrade
• 1x Wrench
• 1x Engineer's Goggles
• 1x Exp. Share
• 1x Lucky Egg
• 1x Power Weight
• 1x Power Bracer
• 1x Power Belt
• 1x Power Lens
• 1x Power Band
• 1x Power Anklet