TmT: Where is the Patch Please & Dota Lore

Today's Teach Me Tuesday is a little different than usual! The patch STILL hasn't emerged so Proud teaches Bee about the origins of Dota. They also ramble about favourite hero lore and sandwiches. Please give us the patch. ᶦᵗˢ ᵏᶦˡˡᶦⁿᵍ ᵘˢ