1 Stronghold = 0.00031526 Chutes
SHRUB → SN64 SHP → SN64 SHORT → SN64 SKR → SN64 SKY → SN64 SKYAI → SN64 SHX → SN51 SHX → SLL SHX → SKYAI SHX → SNDKB SHX → SNX SHX → SOFID