WOTB | KV-4 & IS-6 | HUGE BUFFS! - YouTube
IS6 New Gun Overrated? - General Discussion - World of Tanks Blitz official forum
Developers Q&A: Preferential Matchmaking Premium Vehicles
A needed buff for the is-6. - Heavy Tanks - World of Tanks official forum - Page 2
WoT: Further PMM Tank Changes – Status Report
World of Tanks Supertest: Preferential MM Tanks Changes
IS-6 - was the buff enough? - YouTube
Preferential Matchmaking Vehicles in Update 1.2 – The Armored Patrol
World of Tanks IS-6 HD model armor buffs | MMOWG.net
Weak Spot Guide: IS-6 - World of Tanks
Buff dla IS-6 Porównanie pancerza IS-6... - World of Tanks Polska | Facebook
Weak Spot Guide: IS-6 - World of Tanks
OVERLORD'S BLOG: Object 252 or IS-6 in Screenshots
▻ Finally Buffed Tier 8 Premiums! - World of Tanks Patch 9.20.1 Update
IS-6 needs a pen buff - Heavy Tanks - World of Tanks official forum - Page 6
Buff des vehicules T8 à Matchmaking préférentiel
OVERLORD'S BLOG: Object 252 or IS-6 in Screenshots
IS-6 buff, when will it happen. - General Discussion - Official Forum - World of Tanks Console
Supertest: German and Chinese Medium Tanks Rebalancing – The Armored Patrol
Pref-MM tank buffs - tank by tank breakdown, are the buffs good or not enough? - Gameplay - World of Tanks official forum
OVERLORD'S BLOG: Object 252 or IS-6 in Screenshots
9.13: Buff pancíře dostane i IS-6 - Novinky - Excalibur.cz
Why don't WG just buff all preferential mm tanks and get rid of pref mm? : WorldofTanks
World of Tanks IS-6 HD model armor buffs | MMOWG.net
