Bladeform

Bladeform is a Dota 2 hero simulator and reference tool. Plan builds by leveling abilities, choosing talents, and buying items for each hero. The app also includes complete hero and item information, plus built-in ability video previews to help you study mechanics more clearly. It supports multiple languages and works offline, so you can study hero and item information anytime. Disclaimer: This app is not affiliated with or endorsed by Valve.