In Co-op mode, Tsih's stats and passive do not change.
Tsih's Hyper, Stealth On, has a slightly different effect in Co-op. The Hyper will no longer grant immunity to being targeted by Boost cards, but otherwise functions similarly to its Normal mode counterpart.
Tsih's passive and Hyper are unchanged in Bounty Hunt mode.
Tsih's base stats give her 40 starting stars and a price adjustment of 0% at shops.