It’s basically making Tychus as The Doom Slayer consider as the Starcraft 2 X Doom Eternal.
(Skip to 0:47 for the actual thing).
Hope you enjoy and have a nice April Fools.
If you want to take a gander at it, here’s the link: battlenet:://starcraft/map/1/330260
Here’s the detailed ability of the Slayer.
Active
Rip and Tear Booster: The Slayer charges into enemies (also works on air units) dealing 400 single damage, this also shorten weapon cooldown as well as restoring some of his energy.
Nuclear Grenade: Self explanatory, also have better reach and damage of 150 (250 vs struc).
Double Barrel Shotgun of Pain: It’s like Nova’s shotgun but does 100 damage to both ground and air units.
Bottomless missiles: It have lesser splash than Grenade but is stronger. Launches 13 missiles all dealing 30 damages.
Ultra Plasma Stream: It’s same as Nova’s Plasma rifle but with better range. It can also decrease -3 range of any units caught within.
BFG 9K (RED): Really Nuff said. See the videos and you will understand.
Passive
Soul Engine: 35% of every Slayer’s attack recharges his Praetor Shields as well as absorbing the soul of their fallen enemy.
Praetor Armour: Praetor Armour Grants Slayer 300 Shield. When Slayer’s life drops to half, the Armour halves any upcoming damages.
Praetor Chaingun: Slayer is equipped with specially forged Chaingun that specializes tearing apart enemies from longer range.
Passive: More the onslaught continues, stronger it becomes but only temporarily.
Hellfire Blood Stim: Slayer injects specially made Hellfire Stim into his vein, fully restoring his vitals and doubling his speed.His fury will become insurmountable. Kill everything in your way.