The Extra's War

The brutal reality of my transmigration struck me as I gazed upon the bloody field. RUMBLE RUMBLE CLANG CLATTER Soldiers killed each other ruthlessly, painting the grass in crimson. Magical maelstroms set the field ablaze, and the smoke tinted the sky in dull grey. Barely composing myself, I hid myself, before a crystalline chime sounded: DING [Transmigration successful] [System activated, quest begins] [Quest: Survive the 'Battle Of Thalasia' and escape to the safe zone. Difficulty: "A" Reward: ???] Battle of Thalasia and the system... Aren't they from that book, "The Reincarnated Hero?" Also, what's with the reward and this absurd difficulty? Does the system want me dead? However, as I delved deeper into this realm, I realised it was only the beginning. The quests never ceased, and the world itself bore little to no resemblance with the novel. My very ally, the system itself was unreliable, concealing secrets of grave importance. Alone and adrift in this unforgiving world, I faced a reality far more ruthless than any fiction.