Step 1. Normal Summon Elemental HERO Shadow Mist
Step 2. Link Summon a link 1 monster using Shadow Mist
Step 3. Use Shadow Mist's effect in the graveyard to add Vision HERO Feris to your hand
Step 4. Activate Faris's effect, Discarding the Extra HERO and special summoning itself to the field
Step 5. Activate Faris's effect, placing Vision HERO increase in the Spell and Trap Zone
Step 6. Activate Increase's effect, tributing Faris to special summon itself from the spell and trap zone
Step 7. Activate Increase's effect, special summoning Vision HERO Vyon from the deck
Step 8. Activate Vyon's effect, sending Destiny HERO Malicious to the graveyard
Step 9. Activate Malicious's effect, banishing itself to summon another Malicious from the deck
Step 10. Activate Vyon's effect, banishing Feris to add Polymerization to the hand
Step 11. Activate Polymerization, sending every HERO to the Graveyard and Fusion Summoning Vision HERO Trinity