Sinister Lightning is a Dota 2 item of Mythical rarity. Current price — $1.41. On DotaLoot it drops from 2 cases — open them and get Sinister Lightning cheaper than on the market.
You can get Sinister Lightning 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.
The current price of Sinister Lightning is $1.41. It is updated based on the Steam market.
