this is the tanky build that uses the experementel barrier to regain lots of life. this build was featured in emongg's video This Sigma Build Made Me Feel UNSTOPPABLE In Overwatch Stadium (i cant add links so i just added the name)
Item purchase order
Round 1
Get a mini [Experimental Barrier] that orbits around you. It has 50% reduced health.
1,500 
1,000 
1,000 Round 2
1,500 1,000 
[Experimental Barrier] heals nearby allies for 3% of your max Life every 1s.
11,000 Round 3
[Experimental Barrier] has 25% increased Max Health. Barrier health regenerates constantly but 50% slower while deployed.
Restore 3% of your Life every 1s.
10,000 1,000 
While behind [Experimental Barrier], gain 5% Weapon Power and Attack Speed. While in front of [Experimental Barrier], gain 10% Move Speed and Weapon Lifesteal.
4,500 against a rein you can buy into divine intervention instead of martian mender bc rein has a more bursty dps then other tanks
Round 4
While below 30% Life, gain 10% Damage Reduction.
10,000 Round 5
Damage absorbed by [Kinetic Grasp] also restores [Experimental Barrier]'s health. Excess is converted to Overhealth.
1,000 
[Melee] Damage grants 10% Move Speed and restores 5% of Max Life over 2s.
10,000 Round 6
1,000 While behind [Experimental Barrier], gain 5% Weapon Power and Attack Speed. While in front of [Experimental Barrier], gain 10% Move Speed and Weapon Lifesteal.
4,500 
When you use an ability, gain 10% Move Speed for 2s.
11,000 
When you take damage, gain 0% Damage Reduction for 1s, stacking up to 20 times.
11,000 Round 7
Your primary fire launches a third [Hypersphere] that deals 50% reduced damage.
use zero grav for rein matchups
