So I hit 86 runecrafting today on my grind for diary cape. Managed to reach the nature altar with +5 boost intact at 3rd attempt and this happened. : 2007scape
Runescape - Where are the mind, body, nature, law and chaos runecrafting altars? - YouTube
Quick Nat Crafting For Higher Levels - General Guides - Forum.Tip.It
What if the 'theta line symbols' in the corner of the clues is a rune altar? All symbols could be the Nature Rune altar, OR the Nature Rune altar IS the '5th