Three Kingdoms: My Summoning System Is Poisonous

He traveled through time and became the most useless puppet emperor, Liu Bian, and was bound to the "Super Summoning System". He thought he could summon powerful generals and bring peace to the world, but the system told him: every time you summon one, the system will randomly reward three opponents, a two-way summon, and an ultimate comeback. This is not a mindless crushing, this is the peak game of hell difficulty