...In general, for me, there are two main tactics: Gate (logistics, leadership, luck – all specific Gate-boosting skills, and Darkness) or First Strike (attack-tactics, leadership-speed aura, luck, logistics). If I go for the first, I try to grab everything for the second...
Added 9 minutes later
If there's little defense, you can't add 30 percent to it! It's not +30 defense, but +30%. Let's say you have 11 attack and 2 defense on a level 21 hero (from the manual), then the change in defense, which isn't significant, will only be felt by Nightmares, Lords, and Archdevils...
...In addition, regarding Light, if it comes along (2%):
But Mass Stone Skin (+12 defense) (and on the first level in Light – a tempting divine power and a very tasty speed boost) can greatly extend life in Light. Unless you take defense for "Resilience" and "Stone Toughness" +9 (defense)?
Resilience is still debatable, but there's also resistance +2 (small, but still) to defense, which sometimes helps... You still need to find Light, and if we have divine power and speed boost in the Castle, there's time to think, but it's better to find a Castle where you can fully study Light
