RCT 25: He Descended Into Hell.

The Roman Catechism of Trent p. 64-68.
The Creed, Article V, Section A.

On Holy Saturday, Christ emptied the Limbo of the Fathers. Only in the general-sense of “infernus” did Christ “descend into hell.” His suffering did not continue on Holy Saturday, as taught by the 20th century heretical Jesuit, Fr. Von Balthasar SJ.

See also:

Taylor Marshall on St. Thomas' four levels of the underworld: https://youtu.be/oP8_Cx0Osd0
"First Things" journal on errors of Von Balthasar: https://www.firstthings.com/article/2006/12/balthasar-hell-and-heresy-an-exchange