Silent Hill's Otherworldly Transitions

Silent Hill's Otherworldly Transitions trivia questions

1. What triggers the first Otherworld transition in SH3?
2. What item does Heather find during the first transition?
3. Which location first shifts to the Otherworld in SH3?
4. What sound often accompanies Otherworld transitions?
5. What visual effect marks the Otherworld shift in SH3?
6. What creature is first encountered in the Otherworld mall?
7. What is the primary color scheme of the Otherworld?
8. What item helps Heather navigate the Otherworld?
9. What theme is prevalent in the Otherworld's design?
10. What is the purpose of the Otherworld in SH3?