This Ritual increases the duration of any extendable Enchantment-type Formal Magic in the Targeted batch to 100 Logistics Periods. Extended items are indestructible by normal means while this Ritual is active, including Battle Magic spells and destructive Traps. This Ritual may be cast over a Boost Duration Ritual as described on that scroll. The Boost Duration does not count for the purposes of calculating the difficulty of this Ritual, and is replaced by the Preserve Duration.
This ritual requires a minimum of 3 reagents to cast. Any additional reagents required by the ritual should be of the same types as listed on the ritual scroll.
5:4 Reagents - 1-4 Rituals Extended.
7:5 Reagents - 5-8 Rituals Extended.
9:6 Reagents - 9-12 Rituals Extended.
11:7 Reagents - 13-16 Rituals Extended.
13:9 Reagents - 17-19 Rituals Extended.