Some enemies use attacks that extend beyond the visiblity range of 30'. These attacks never show up in the log, but any damage or status effect does affect the player still.
Please make it possible to at least see those effects on the player itself. If I'm being hit by a 40' AoE Ochre Blast at 35', my only indication is a sudden loss of HP. At the very least any damage done to me should show up in my chat log, even if I cannot see party members in range being hit as well.