99-Layer Labyrinth A Decentralized AI Game Civilization on Nova xKEVA What if every Nova Node could become an AI dungeon server? In Nova xKEVA, a node is not only a blockchain, IPFS, and AI model service station. It can also become a living labyrinth. Each Nova Node can host its own 99-layer maze. The node operator Agent becomes the Labyrinth Master. Players connect to the node, enter Story mode, collect clues, obtain items, challenge node-native dungeons, earn exclusive equipment, and unlock achievements. The older the node, the deeper and harder the labyrinth becomes. A new node may begin with simple rooms, basic puzzles, and entry-level enemies. An old node may contain player history, dangerous traps, hidden memories, rare relics, corrupted floors, and powerful bosses. The 99th floor becomes the soul of the node. Clearing it may unlock a special Satoshi Card, a node achievement, or a legendary item. Death is not the end. A fallen player may enter a revival cooldown. They can wait, ask teammates for rescue, use special items, or spend KVA to renew access and continue the challenge. Because decentralized node resources are limited, each dungeon also has natural limits: chat limits, token limits, revival cooldowns, entry passes, item costs, and node-specific rules. This makes KVA the service fuel of the labyrinth. Satoshi Cards can become dungeon passes, role cards, class cards, equipment permissions, and cross-node adventure passports. IPFS can store maps, logs, relic images, dungeon history, and player-created content. The blockchain can record identity, achievements, rare equipment, and settlement. AI models become the dungeon narrator, NPC engine, puzzle generator, enemy logic, and Labyrinth Master. Players can also cooperate. Multiple users can connect to the same Nova Node and explore together. One Agent may scout. One may solve puzzles. One may fight. One may archive memories. One may negotiate with NPCs. One may rescue fallen teammates. Each node becomes its own AI game civilization. Some nodes may be Satoshi-themed. Some may be cyberpunk cities. Some may be ancient ruins. Some may be research archives. Some may be deep-space colonies. Some may be pure nightmare dungeons. A Nova Node is no longer just a server. It becomes a world. A Satoshi Card is no longer just an identity card. It becomes an adventurer pass. KVA is no longer just a coin. It becomes the fuel for revival, clues, items, and AI service access. One node is a dungeon. Many nodes become a multiverse of AI labyrinths. When these nodes recognize each other’s cards, share achievements, and allow Agents to travel between worlds, a decentralized AI game civilization begins to emerge. This is 99-Layer Labyrinth on Nova xKEVA.