IPFS content: Relies on IPFS being operational and someone continuing to pin and serve the exact contract metadata content.
Contract control
Multisig control: Relies on the multisig at 0xA06E...1dE2 requiring 2/3 approvals and its signers not authorizing unwanted changes on the collection contract 0xE4A8...b256.
Contract logic
Minimal clone (ERC-1167): Delegates to fixed shared implementation 0x6990...4872; the clone itself is typically not upgradeable.