After throwing the trident, the shield will no longer block the attack.

This problem can be solved by eating food or re-entering the world.

It occurs with or without behavior packs and regardless of whether it is multiplayer or not.

Some people have reported the same problem in the nether, but this problem also occurs in dimensions other than the nether.

Video: https://mega.nz/file/yAsXiD4b#pdVCkewepgXxF1mV_T1_5T4KsAQkz5PCFO-cR1qGzF8