Starting with an Overpowered Move: Twenty Years of Sign-In in the Kingdom

Lin Feng transmigrated into a world of swords and magic and became a student of the kingdom's chief mage. But his magical talent was nothing to write home about, so nobody paid him much attention. He thought he was destined for a lazy, uneventful life, but then he awakened a sign-in System that let him sign in anywhere and receive generous rewards.

Sign in at the duke's mansion, and receive the Child of the Elements.

Sign in at the library, and receive a complete guide to Second-Tier Magic.

Sign in beneath the statue of the Earth Mother Goddess, and receive the Warrior Transformation Ring.

Lin Feng stuck to the principle that a sign-in expert shouldn't leave home until he was invincible. He signed in quietly and studied the mysteries of magic.

Then, twenty years later, the ambitious demons crossed into the realm. A million devils wreaked havoc everywhere, burning, killing, and looting. With the kingdom on the brink of ruin, Lin Feng finally had no choice but to act...