1. Make friends list account based + cross servers.
2. Make block list account based + cross servers.
3. Make dungeons for 3 or 2 people and not 5 to make finding party easier.
4. Make dungeons that not require the traditional T/H/D combination, rather let any combination be possible at same difficulty.
People are just waiting in LFGs for ages looking for role that in shortage. Let's end it now.
5. Stop recycling old bosses, its no fun, we all know its cheaper, but we prefer to wait longer for real content than waiting for same old bosses in new colors.