Earth Affinity

First reading

While in [Tunneling] state, can cast skills and deal 20% extra BREAK damage.

Second reading

Gains 1 stack of Momentum every 5s while tunneling, up to 5 stacks. Also gains 1 stack of Momentum each time damage is negated. When tunneling ends, each stack of Momentum converts into a shield equal to 6% HP for 20s.