A Storm War. A Fallen God. A New King Rising.The most explosive volume of Astra-Link so far.When the Northern Seal collapses at 02:00 hours, an unstoppable Asura invasion tears through the Himalayas. The legendary Fortress Indrapura becomes humanity's last shield - and Aryan Sharma, forced into a draft he never chose, becomes their unexpected commander.But nothing prepares him for the horrors waiting on the front line: ⚡ Wyvern swarms blotting out the sun⚡ Mind-controlled soldiers turning against their own⚡ A traitor inside the fortress⚡ General Megha - the Storm Lord who killed IndraAs the shield fails and the walls crumble, Aryan must make impossible choices: Send friends to near-certain death. Hold collapsing lines with no reinforcements. Face the guilt of every life lost under his command.When all hope dies, the Astra-Chakra awakens its forbidden form - Avatar: Indra, the God of Thunder reborn.The final battle between storm and storm shakes the skies... but the aftermath reveals a chilling truth: The next war won't be on Earth.To claim the Fifth Key, Aryan must cross into the Spirit Realm - and walk into death itself.Perfect for fans of: ✔ Anime-style action✔ Emotional war arcs✔ Mythology × sci-fi fusion✔ Avatar-like transformations✔ High-stakes teen heroesAstra-Link Volume 4: The Thunder of Indra delivers god-tier battles, heartbreak, political intrigue, and the reveal that sends the series into its darkest arc yet.