Update tile_events.md

docs/events/tile_events.md

@@ -27,6 +27,12 @@ These are events that you typically place directly on tiles in order to add dest
 - **[160] Boss gate**
   - This block becomes solid when boss mode is activated, and disappears afterwards.
 
+- **[108] Rainbow Crystal gate**
+  - This block is solid until defeating the Rainbow Crystal boss.
+
+- **[110] Pandora gate**
+  - This block is solid until defeating Pandora. If Pandora is defeated on the same screen, this block remains solid until leaving the screen.
+
 - **[197] Spikes**
   - Touching this event damages Erina. Damage varies based on background and difficulty level.
   - Does not need to be on a solid tile to deal damage.