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