// Makes Tickets of Eternal Keeping not consumed on death. const tickets = {}; EntityEvents.death((event) => { const player = event.player; if (event.entity.isPlayer()) { tickets[player.uuid] = null; player.inventory.allItems.forEach((item) => { if (item.nbt && item.nbt.EternalKeep) tickets[player.uuid] = item.copy(); }); } }); PlayerEvents.respawned((event) => { const player = event.player; const ticket = tickets[player.uuid]; if (ticket != null) player.give(Item.of(ticket, 1)); tickets[player.uuid] = null; });