Guardians of the Rift guide OSRS

Method 1:
Mine essence until 0:53
Create essence until 0:00
Place cell then take first altar and RuneCraft
Place cell & power Guardian
Mine until Portal 1. Take this portal and mine full inventory & Pouches
Runecraft then Create around 40 essence
Power Guardian, Place Cell, Runecraft
Create40/remaining essence and repeat above
Take Portal #2
Take this portal and mine full inventory & Pouches
Runecraft then mine essence until around 78%
Create essence, Power Guardian, Place Cell, Runecraft
Power Guardian, Place Cell
GAME END: Optionally collect more cells and place for points

Method 2:
Disclaimer: Method 2 may not work once the game is optimised; finishes before 3rd portal

Mine Full inventory & pouches
Transition to other mine and mine until 0:12
Place Cell then craft first inventory
Place 2nd Cell then Power Guardian
Mine until Portal 1. Take this portal and mine full inventory & Pouches
Runecraft then create around 40 essence
Power Guardian, Place Cell, Runecraft
Create 40 essence and repeat above
Power Guardian, Place Cell, Runecraft
Take Portal #2
Take this portal and mine full inventory & Pouches
Runecraft then mine essence until around 75%
Create essence, Power Guardian, Place Cell, Runecraft
Power Guardian, Place Cell
Deposit Runes, take Weak Cell + 10 Uncharged Cells
Take Portal and wait until Game end.