Silencer + Templar Assassin

Why this works

Trying to set up kills for Templar Assassin requires lockdown she can burst into. Silencer's kit is built around silences and slows, not the hard stuns that let TA unload a full Meld strike on a target. Without that reliable setup, she has to depend entirely on her own positioning and a target being out of place, which makes her ganks far less consistent. While Global Silence can create a window for her to act, its long cooldown doesn't match the constant pressure a snowballing Templar Assassin wants to apply across the map after getting her first few items.

This lack of offensive synergy often slows down the game's tempo. TA is forced into a more passive farming pattern waiting for perfect opportunities, which can delay her Blink Dagger and Desolator timings. The opposing team can exploit this by grouping up and forcing fights before she's ready, or by repeatedly ganking her mid lane since a support Silencer offers little in the way of counter-initiation or saves beyond a single-target silence. To make it work, the team has to play patiently for big teamfights around Global Silence, giving the enemy control of the map in the interim.