Best Pushing Heroes in HoN

1. Defiler- crush towers w/ultimate, spam creeps w/Wave of Death
2. Pollywog Priest- crush towers w/ultimate, spam creeps w/Electric Jolt
3. Ophelia- tank/crush towers w/masses of charmed creeps, heal them to full w/ultimate
4. Wildsoul- tank/crush towers w/BooBoo (Demolish adds +60% attack damage to buildings)
5. Engineer- crush towers w/Steam Turret and channel Tinker on turret, catapults, or towers
6. Forsaken Archer- crush towers w/masses of spawned skeletons
7. Hellbringer- tank/crush towers w/ultimate
8. Soulstealer- crush towers w/+60 Soulsteal damage at level 7
9. Hammerstorm- crush towers w/+150% damage ultimate
10. Torturer- crush towers w/Impalement ability, spam creeps w/Chain Reaction and Agonizing Bonds
11. Tempest- tank/crush towers w/summoned Elementals
12. Pebbles- crush towers w/Chuck, spam creeps w/Chuck and Stalagmites

Sample pushing lineups:

Defiler solo mid, Pollywog Priest/Hammerstorm lane, Wildsoul side solo/Ophelia jungle

Take mid raxes when Defiler hits level 11

Hellbringer solo mid, Torturer/Pebbles lane, Forsaken Archer side solo/Tempest jungle

Push when Tempest gets Portal Key (blink)

Also might want to throw a healer like Demented Shaman, Jeraziah, Accursed, or any Int support like Plague Rider w/Astrolabe (Mek) into the mix for any pushing team to sustain hp