Slark becomes hidden and cannot be revealed by standard True Sight (like Sentry Wards or Gem of True Sight) for a short duration.
Scripts can automate high-speed actions such as auto-stacking creeps, instant-casting items like Hex or Orchid, and perfectly timed last-hitting. Dota 2 Simple Hack | Shadow Dance Menu v1.3
"Map hacks" sometimes abuse the code from Slark's ultimate to detect if the enemy team has vision of a specific area, allowing players to deward with 100% accuracy. Slark becomes hidden and cannot be revealed by
Some tools triangulate enemy positions by tracking particles drawn in the fog of war that are not properly hidden by the game client. instant-casting items like Hex or Orchid