edit: dota_range_display is now considered a cheat, you can only enable it when you enable cheats in custom games\r
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in your console, you can type: dota_range_display ####\r
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attack range varies from 128 up to 850 depending on the hero\r
experience range is 1300 for all heroes\r
vision varies among heroes but is most commonly 1800 during the day and 800 during the night\r
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