Corrupted Tremors of the Tandem Storm is a Dota 2 item of Immortal rarity. On DotaLoot you can win it in free giveaways or earn it with Battle Pass levels.
You can get Corrupted Tremors of the Tandem Storm for free in daily DotaLoot giveaways or with Battle Pass levels. The fastest way is opening cases — noticeably cheaper than buying it on the market.