en_tn_condensed/rev/16/02.md

poured out his bowl

The word "bowl" refers to what is in it. AT: "poured out the wine from his bowl" or "poured out God's wrath from his bowl" (See: rc://en/ta/man/translate/figs-metonymy)

painful sores

"painful wounds." These could be infections from diseases or injuries that have not healed.

mark of the beast

This was an identifying mark that indicated that the person who received it worshiped the beast. See how you translated this in Revelation 13:17.