- Soldiers generally aren't able to use wards, the Scarlet is described similarly to a monk.

- Big wards are a large proportion of the city's defenses so, that. There's no mention of ward size in the history.

- It was a mystery how he survived while he was alive, but after his death he was discovered to have had a piece of obsidian lodged in his chest during the battle that destroyed the original gate. Theories involve his spirit resonating with the stone, but no one has been able to replicate the effect since.

- Both effects are mentioned.

- Not as far as they're aware.