Why is it important that we have seen wiglaf courage in battle as well as his loyalty

Wiglad´s courage and loyalty are very important in the battle because it was the honor code that existed between the king or master and the warrior. As a retribution he is rewarded with treasures, protection and land . He is willing to risk his life to help Beowulf and he might see Wiglaf as a son who he trust the most.

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the two answers are

get thee back into the tempest and the night's plutonian shore

on the pallid bust of pallas just above my chamber door

the character has felt many emotions that are mainly focusing on negative emotions.