Liu "Zzitai" Zhi-Hao originally played in Season 2 for TM.Origin and AgFox before joining Invictus Gaming in April of 2012. Zzitai played for IG in the Season 2 China Regional Finals where they qualified for the Season 2 World Championship as the second seed from China by beating Noah's Ark 2-0 in the finals. At worlds, they made it through the group stage, only to fall 2-0 to Moscow Five in the quarterfinals.
IG participated in the 2013 LPL Spring Regular Season and managed to place first overall. However in the 2013 LPL Spring Playoffs, they placed third after losing 2-0 to Positive Energy but beating Team WE 2-1 in the third place match. Next, they attended IEM Season VIII - Shanghai and finished in second after they lost 2-0 in the finals to WE. In the 2013 LPL Summer Regular Season, they ended in fifth place and missed the playoffs. Their result in the Spring Season still qualified them for the Season 3 China Regional Finals. They ended in third after losing 2-1 to Royal Club Huang Zu in the second round of the loser's bracket. Their last tournament of the year was IEM Season VIII - Singapore and they actually managed to win the tournament by beating CJ Entus Frost 2-0 in the finals.
The new season began for Zzitai and IG at Demacia Cup Season 1. They made it to the finals and placed first after beating WE 3-2. A few months later, they attended the IEM Season VIII - World Championship but failed to make it past groups after losing to the KT Rolster Bullets and Fnatic. The 2014 LPL Spring Regular Season ended shortly afterwards with IG in fourth place. IG qualified for the 2014 LPL Spring Playoffs and even made it to the finals but they lost 3-0 to EDward Gaming. They later lost 2-0 in Demacia Cup Season 2 in the round of 16 to Star Horn Royal Club. IG faired very poorly in the 2014 LPL Summer Regular Season, finishing in sixth place. They still qualified for the 2014 Season China Regional Finals but they finished in last after losing 2-0 to OMG and 2-1 to LGD Gaming.
With Rookie joining as the new mid laner for IG and Pokemon underperforming heavily, Zzitai was moved to top lane as the new starter. Zzitai played in his new position in the 2015 Demacia Cup Spring Season where IG managed to make it to the finals but they lost 3-0 to EDG. A few weeks later, they finished in fifth place in the 2015 LPL Spring Regular Season and qualified for the 2015 LPL Spring Playoffs. Here, IG ended in third place after losing 3-0 to EDG in the semifinals but beating Snake eSports 3-1 in the third place match. IG participated in the 2015 Demacia Cup Summer Season and ended in fourth after losing 3-1 to EDG and 3-2 to Snake. Back in the 2015 LPL Summer Regular Season, IG ended in third place to qualify for the 2015 LPL Summer Playoffs. Here, IG finished in third place again after losing 3-2 to the Qiao Gu Reapers but beating EDG 3-1. IG qualified for the 2015 Season China Regional Finals and managed to qualify for the 2015 Season World Championship by beating Qiao Gu 3-0. IG was placed in a group alongside Cloud9, Fnatic, and AHQ e-Sports Club. Despite being favorites to advance, they ended with a 2-4 record and were knocked out of the tournament in last place in their group.