He's Unstoppable achievement players for Halo: The Master Chief Collection @ Gamertag Nation

He's UnstoppableG 10

Halo CE: Complete any level on Heroic difficulty or higher without taking health damage.

Found 1,271 players

Gamertag / Username		Unlocked
Later Pops Later Pops	678 / 700	11-11-2014
maddog dom Golfdom	456 / 600	11-11-2014
ZUKO538 zuko538	111 / 550	11-11-2014
DaRealShady DaRealShady	270 / 699	11-11-2014
WeekendWook Personal Own4g3	284 / 699	11-11-2014
HungryWatchWOLF HungryWatchWOLF	700 / 700	11-11-2014
BonezH2X BonezH2X	691 / 700	11-11-2014
OpD I DeReaper OpD I DeReaper	665 / 700	11-11-2014
Scuderia NL Scuderia NL	489 / 699	11-11-2014
ol Zeus Io Savitar	271 / 699	11-11-2014
R3DROV3R3 R3DROV3R3	31 / 500	11-11-2014
Hobobicus hobobicus	45 / 500	11-11-2014
lolroflbbq lolroflbbq	91 / 500	11-11-2014
Strategy One Strategy One	587 / 600	11-11-2014
MickMouseOG ShadowSnyper25	64 / 649	11-11-2014
Viiziionn Viiziionn	390 / 700	11-11-2014
xtantss Xtantss	371 / 699	11-11-2014
Weebl Weebl	133 / 550	11-10-2014
Kitty Skies Kitty Skies	296 / 601	11-10-2014
HairyTackle HairyTackle	496 / 699	11-08-2014
EX slay3r EX sLay3r	700 / 700	11-07-2014

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He's UnstoppableG 10