Extension II

Extension II was an alteration and metamagic spell that increased the time another spell lasted.

Effects
This spell was almost identical to the less potent extension I: If cast directly after another spell requiring less magical power, extention II prolonged that spell to one and a half times its original duration.

Components
Extension II required verbal components only.

History
This spell was created by Netherese arcanist Zwei in −2579 DR (1285 NY) under the name Zwei's 2nd extension.

By the 1360s DR it was considered uncommon in the magical community in Faerûn, and also only rarely found in Zakhara.

It fell out of use after the Year of Wild Magic, 1372 DR, when experienced spellcasters developed the talent to modify some aspects of their spells, like extending the duration.