None, though being at least level 15 Hitpoints is recommended to survive aggressive enemies.
Since "The Waterfall" can refer to several popular topics, here are the most common guides to help you: The Waterfall
Use the raft to reach the island and then use your rope on a rock to reach the waterfall. None, though being at least level 15 Hitpoints
The is a famous members-only quest in Old School RuneScape (OSRS) known for giving massive experience in Attack and Strength, allowing level 3 players to jump straight to level 30 in those skills. Enter the tomb (bring no weapons or armor
Enter the tomb (bring no weapons or armor!) to get .
Find in the Tree Gnome Village dungeon to unlock Glarial's Tomb.
Return to the waterfall with the amulet and runes to complete the quest at the Chalice of Eternity. [Quick Guide] Waterfall quest