Then why did it not kill either Kylo or Rey?
In the scene jarbear is talking about during their first force connection, Kylo says to Rey: “You’re not doing this, the effort would kill you.”
Later, in the Throne Room, Snoke says: “It was I who bridged you’re minds.”
I’m not sure how this applies to TROS. I guess Palpatine continued their mind-link?