Orisa

Use Energy Javelin to block Rocket Punch, and Fortify to survive the combo

You can quickly break through barriers with sustained fire, and use Javelin Spin and Energy Javelin to prevent enemies from closing in.

Use the knockback from Energy Javelin and Javelin Spin to prevent the enemy from closing in, and use Fortify to withstand close-range fire.

You can withstand hook combos with Fortify and knock your opponent off balance with Energy Javelin

You can stop its roll and neutralize its mobility with an Energy Javelin.

You can neutralize Bone Sting (projectile) with Javelin Spin and intercept Violent Leap with Energy Javelin.

While Fortify is active, slow effects don't work, and it's easier to hold the front line even if you're cut off by an Ice Wall.

Use Fortify to survive close-range damage combos, and gain the range advantage in mid-range firefights

You can advance while deflecting arrows with a javelin spin.

You can advance while clearing grenades with the Javelin Spin.

Use the Javelin Spin to destroy the rocket, and you can even negate knockbacks with Fortify.

A beam that can't be blocked by a Javelin Spin can melt you from the front

You can use a hack to disable Fortify and Javelin Spin, leaving the target defenseless.

Once Fortify runs out, Configuration: Assault's firepower keeps landing on the big hitbox.

Even an Orisa holding out with Fortify melts once Orb of Discord is attached, since healing can't keep up.

They can continuously land hit-scan sniper shots from long range that can't be blocked by the Javelin Spin.

It's easy to hit it with Sticky Bombs from the air, and once its health drops below half, you can melt it with the Focus Beam.