Clerics are undead wizards, there's an aged but still quite relevant cleric solo guide on the wiki. If you're not doing the undead trio near the EC zoneline in Nektulos as a young dark elf/human/halfling you're doing it wrong...great spot to be
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Overcrowding has made it more difficult to do other parts of the guide such as Unrest.
Play how you like though. If you're someone that's going to solo a lot you'll be looting a lot...so maybe a halfling or dwarf for strength wouldn't be a bad thing?