Casting abilitied like Frost Arrow will trigger Last Word, and the hero will be silenced.
You can hook Sylla’s Bear, but if you target it directly to the Bear it will say “Unable to target Ancients”.
Diffusal Blade can dispel Cyclone.
Since Supernova is considered as a ward, you will be able to Decrepify it . (Only spell usable against Supernova is Demonic Purge, but it has no effect)
Attacking enemy under Guardian Angel will not put Tidebringer into cooldown . (This also applies for Gondar’s Jinnada with Battlefury)
If you give Aghanim’s Scepter to your courier, it will gain same visual effect, depending on which hero you have.
You can use Life Break on a courier.
Magnataur’s Empower can be used to remove Bane’s Enfeeble.
Nightstalker’s Crippling Fear is removed by Chen’s Penitence.
Lifestealer will not be able to Infest from Primal Split Pandas.
Couriers can use Quelling Blade .
You can steal a kill from Apparition by toggle-spamming Power Treads, Ring of Basilius or Ring of Aquila near Ice Blasted Enemy .
Using Decay on Meepo clones will remove strength to all Meepos. (only when you cast Decay on the main Meepo)
Goblin Shredder will not pull himself to a tree with Timber Chain if he gets disabled while hooking .