This DotA walkthrough is divided into 18 total pages.
You can jump to nearby pages of the game using the links above.
Warding
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There are two types of wards. One of it is Observer wards which gives you small vision at the ward position.
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Then the Sentry wards which let you see hidden or invisible enemy or wards. Seeing enemy wards can help to deward.
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Place the ward at the place that you think suitable. Common place at the river.
More DotA Walkthroughs
This DotA walkthrough is divided into 18 total pages.