- While Rumble is overheating, a Silenced icon will appear above him to signify he cannot cast abilities, this is visible to all units.
- If Rumble casts Electro Harpoon before Overheating, he may still use another charge within three seconds of the initial cast.
- Each Electro Harpoon cast triggers and stacks .
- Electro Harpoon will cast from wherever Rumble is at the end of the cast time.
- Rumble stocks an Electro Harpoon charge before the ability is even learned.
- No additional details.